Question: Based on the characteristic population curves that result from plotting population growth of a species, the most effective means of controlling the mosquito population is to

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Based on the characteristic population curves that result from plotting population growth of a species, the most effective means of controlling the mosquito population is to
 A. maintain the population at a point corresponding to the midpoint of its logistic curve
 B. opt for zero population control once the K value of the curve has been reached
 C. reduce the carrying capacity cif the environment to lower the K value
 D. increase the mortality rate
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Based on the characteristic population curves that result from plotting population growth of a species, the most effective means of controlling the mosquito population is to
 A. maintain the population at a point corresponding to the midpoint of its logistic curve
 B. opt for zero population control once the K value of the curve has been reached
 C. reduce the carrying capacity cif the environment to lower the K value
 D. increase the mortality rate
Answer:


Question: Based on the characteristic population curves that result from plotting population growth of a species, the most effective means of controlling the mosquito population is to

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Based on the characteristic population curves that result from plotting population growth of a species, the most effective means of controlling the mosquito population is to
 A. maintain the population at a point corresponding to the midpoint of its logistic curve
 B. opt for zero population control once the K value of the curve has been reached
 C. reduce the carrying capacity cif the environment to lower the K value
 D. increase the mortality rate
Answer:


Question: Based on the characteristic population curves that result from plotting population growth of a species, the most effective means of controlling the mosquito population is to

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Based on the characteristic population curves that result from plotting population growth of a species, the most effective means of controlling the mosquito population is to
 A. maintain the population at a point corresponding to the midpoint of its logistic curve
 B. opt for zero population control once the K value of the curve has been reached
 C. reduce the carrying capacity cif the environment to lower the K value
 D. increase the mortality rate
Answer:


Question: Based on the characteristic population curves that result from plotting population growth of a species, the most effective means of controlling the mosquito population is to

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Based on the characteristic population curves that result from plotting population growth of a species, the most effective means of controlling the mosquito population is to
 A. maintain the population at a point corresponding to the midpoint of its logistic curve
 B. opt for zero population control once the K value of the curve has been reached
 C. reduce the carrying capacity cif the environment to lower the K value
 D. increase the mortality rate
Answer:


Question: A frameshift mutation is created when

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A frameshift mutation is created when
 A. telomeric sequences are removed from DNA
 B. a codon's nucleotide sequence changes so that it calls for production of a different amino acid than the original one
 C. a base pair is either inserted or deleted in a gene
 D. a codon's nucleotide sequence is changed so that instead of coding for a given amino acid it acts to terminate translation
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: A frameshift mutation is created when
 A. telomeric sequences are removed from DNA
 B. a codon's nucleotide sequence changes so that it calls for production of a different amino acid than the original one
 C. a base pair is either inserted or deleted in a gene
 D. a codon's nucleotide sequence is changed so that instead of coding for a given amino acid it acts to terminate translation
Answer:


Question: A frameshift mutation is created when

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A frameshift mutation is created when
 A. telomeric sequences are removed from DNA
 B. a codon's nucleotide sequence changes so that it calls for production of a different amino acid than the original one
 C. a base pair is either inserted or deleted in a gene
 D. a codon's nucleotide sequence is changed so that instead of coding for a given amino acid it acts to terminate translation
Answer:


Question: A frameshift mutation is created when

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A frameshift mutation is created when
 A. telomeric sequences are removed from DNA
 B. a codon's nucleotide sequence changes so that it calls for production of a different amino acid than the original one
 C. a base pair is either inserted or deleted in a gene
 D. a codon's nucleotide sequence is changed so that instead of coding for a given amino acid it acts to terminate translation
Answer:


Question: A frameshift mutation is created when

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A frameshift mutation is created when
 A. telomeric sequences are removed from DNA
 B. a codon's nucleotide sequence changes so that it calls for production of a different amino acid than the original one
 C. a base pair is either inserted or deleted in a gene
 D. a codon's nucleotide sequence is changed so that instead of coding for a given amino acid it acts to terminate translation
Answer:


Question: To prevent desiccation and injury, the embryos of terrestrial vertebrates are encased within a fluid secreted by the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: To prevent desiccation and injury, the embryos of terrestrial vertebrates are encased within a fluid secreted by the
 A. amnion
 B. chorion
 C. allantois
 D. yolk sac
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: To prevent desiccation and injury, the embryos of terrestrial vertebrates are encased within a fluid secreted by the
 A. amnion
 B. chorion
 C. allantois
 D. yolk sac
Answer:


Question: To prevent desiccation and injury, the embryos of terrestrial vertebrates are encased within a fluid secreted by the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: To prevent desiccation and injury, the embryos of terrestrial vertebrates are encased within a fluid secreted by the
 A. amnion
 B. chorion
 C. allantois
 D. yolk sac
Answer:


Question: To prevent desiccation and injury, the embryos of terrestrial vertebrates are encased within a fluid secreted by the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: To prevent desiccation and injury, the embryos of terrestrial vertebrates are encased within a fluid secreted by the
 A. amnion
 B. chorion
 C. allantois
 D. yolk sac
Answer:


Question: To prevent desiccation and injury, the embryos of terrestrial vertebrates are encased within a fluid secreted by the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: To prevent desiccation and injury, the embryos of terrestrial vertebrates are encased within a fluid secreted by the
 A. amnion
 B. chorion
 C. allantois
 D. yolk sac
Answer:


Question: Which of the following is a second messenger that stimulates release of calcium ions into the cytoplasm?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is a second messenger that stimulates release of calcium ions into the cytoplasm?
 A. Prostaglandins
 B. Inositol triphosphate
 C. Cyclic AMP
 D. Calmodulin
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Which of the following is a second messenger that stimulates release of calcium ions into the cytoplasm?
 A. Prostaglandins
 B. Inositol triphosphate
 C. Cyclic AMP
 D. Calmodulin
Answer:


Question: Which of the following is a second messenger that stimulates release of calcium ions into the cytoplasm?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is a second messenger that stimulates release of calcium ions into the cytoplasm?
 A. Prostaglandins
 B. Inositol triphosphate
 C. Cyclic AMP
 D. Calmodulin
Answer:


Question: Which of the following is a second messenger that stimulates release of calcium ions into the cytoplasm?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is a second messenger that stimulates release of calcium ions into the cytoplasm?
 A. Prostaglandins
 B. Inositol triphosphate
 C. Cyclic AMP
 D. Calmodulin
Answer:


Question: Which of the following is a second messenger that stimulates release of calcium ions into the cytoplasm?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is a second messenger that stimulates release of calcium ions into the cytoplasm?
 A. Prostaglandins
 B. Inositol triphosphate
 C. Cyclic AMP
 D. Calmodulin
Answer:


Question: Synthesis of an RNA/DNA hybrid from a single-stranded RNA template requires

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Synthesis of an RNA/DNA hybrid from a single-stranded RNA template requires
 A. a DNA or RNA primer and reverse transcriptase
 B. a DNA or RNA primer and DNA polymerase
 C. RNase only
 D. reverse transcriptase only
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Synthesis of an RNA/DNA hybrid from a single-stranded RNA template requires
 A. a DNA or RNA primer and reverse transcriptase
 B. a DNA or RNA primer and DNA polymerase
 C. RNase only
 D. reverse transcriptase only
Answer:


Question: Synthesis of an RNA/DNA hybrid from a single-stranded RNA template requires

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Synthesis of an RNA/DNA hybrid from a single-stranded RNA template requires
 A. a DNA or RNA primer and reverse transcriptase
 B. a DNA or RNA primer and DNA polymerase
 C. RNase only
 D. reverse transcriptase only
Answer:


Question: Synthesis of an RNA/DNA hybrid from a single-stranded RNA template requires

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Synthesis of an RNA/DNA hybrid from a single-stranded RNA template requires
 A. a DNA or RNA primer and reverse transcriptase
 B. a DNA or RNA primer and DNA polymerase
 C. RNase only
 D. reverse transcriptase only
Answer:


Question: Synthesis of an RNA/DNA hybrid from a single-stranded RNA template requires

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Synthesis of an RNA/DNA hybrid from a single-stranded RNA template requires
 A. a DNA or RNA primer and reverse transcriptase
 B. a DNA or RNA primer and DNA polymerase
 C. RNase only
 D. reverse transcriptase only
Answer:


Question: In order for the Hardy-Weinberg law to operate with respect to a population of organisms, each of the following conditions must be met EXCEPT:

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In order for the Hardy-Weinberg law to operate with respect to a population of organisms, each of the following conditions must be met EXCEPT:
 A. Genes are exchanged with other populations.
 B. Population size is large.
 C. Natural selection does not take place.
 D. Matings are random.
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: In order for the Hardy-Weinberg law to operate with respect to a population of organisms, each of the following conditions must be met EXCEPT:
 A. Genes are exchanged with other populations.
 B. Population size is large.
 C. Natural selection does not take place.
 D. Matings are random.
Answer:


Question: In order for the Hardy-Weinberg law to operate with respect to a population of organisms, each of the following conditions must be met EXCEPT:

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In order for the Hardy-Weinberg law to operate with respect to a population of organisms, each of the following conditions must be met EXCEPT:
 A. Genes are exchanged with other populations.
 B. Population size is large.
 C. Natural selection does not take place.
 D. Matings are random.
Answer:


Question: In order for the Hardy-Weinberg law to operate with respect to a population of organisms, each of the following conditions must be met EXCEPT:

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In order for the Hardy-Weinberg law to operate with respect to a population of organisms, each of the following conditions must be met EXCEPT:
 A. Genes are exchanged with other populations.
 B. Population size is large.
 C. Natural selection does not take place.
 D. Matings are random.
Answer:


Question: In order for the Hardy-Weinberg law to operate with respect to a population of organisms, each of the following conditions must be met EXCEPT:

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In order for the Hardy-Weinberg law to operate with respect to a population of organisms, each of the following conditions must be met EXCEPT:
 A. Genes are exchanged with other populations.
 B. Population size is large.
 C. Natural selection does not take place.
 D. Matings are random.
Answer:


Question: The Barr body found within female mammalian cells' nuclei is an example of

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The Barr body found within female mammalian cells' nuclei is an example of
 A. euchromatin
 B. heterochromatin
 C. a cistron
 D. pseudogenes
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: The Barr body found within female mammalian cells' nuclei is an example of
 A. euchromatin
 B. heterochromatin
 C. a cistron
 D. pseudogenes
Answer:


Question: The Barr body found within female mammalian cells' nuclei is an example of

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The Barr body found within female mammalian cells' nuclei is an example of
 A. euchromatin
 B. heterochromatin
 C. a cistron
 D. pseudogenes
Answer:


Question: The Barr body found within female mammalian cells' nuclei is an example of

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The Barr body found within female mammalian cells' nuclei is an example of
 A. euchromatin
 B. heterochromatin
 C. a cistron
 D. pseudogenes
Answer:


Question: The Barr body found within female mammalian cells' nuclei is an example of

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The Barr body found within female mammalian cells' nuclei is an example of
 A. euchromatin
 B. heterochromatin
 C. a cistron
 D. pseudogenes
Answer:


Question: Which of the following is NOT a source of atmospheric carbon?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is NOT a source of atmospheric carbon?
 A. Respiration
 B. Photosynthesis
 C. Bacterial decomposition
 D. Combustion of fossil fuels
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Which of the following is NOT a source of atmospheric carbon?
 A. Respiration
 B. Photosynthesis
 C. Bacterial decomposition
 D. Combustion of fossil fuels
Answer:


Question: Which of the following is NOT a source of atmospheric carbon?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is NOT a source of atmospheric carbon?
 A. Respiration
 B. Photosynthesis
 C. Bacterial decomposition
 D. Combustion of fossil fuels
Answer:


Question: Which of the following is NOT a source of atmospheric carbon?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is NOT a source of atmospheric carbon?
 A. Respiration
 B. Photosynthesis
 C. Bacterial decomposition
 D. Combustion of fossil fuels
Answer:


Question: Which of the following is NOT a source of atmospheric carbon?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is NOT a source of atmospheric carbon?
 A. Respiration
 B. Photosynthesis
 C. Bacterial decomposition
 D. Combustion of fossil fuels
Answer:


Question: The concept of punctuated equilibrium refers to

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The concept of punctuated equilibrium refers to
 A. oscillating ecological successional stages
 B. ecological succession arrested by sudden environmental changes, e.g., fire
 C. persistent predator-prey relationships in relatively stable environments
 D. bursts of speciation followed by relatively unchanging lineages
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: The concept of punctuated equilibrium refers to
 A. oscillating ecological successional stages
 B. ecological succession arrested by sudden environmental changes, e.g., fire
 C. persistent predator-prey relationships in relatively stable environments
 D. bursts of speciation followed by relatively unchanging lineages
Answer:


Question: The concept of punctuated equilibrium refers to

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The concept of punctuated equilibrium refers to
 A. oscillating ecological successional stages
 B. ecological succession arrested by sudden environmental changes, e.g., fire
 C. persistent predator-prey relationships in relatively stable environments
 D. bursts of speciation followed by relatively unchanging lineages
Answer:


Question: The concept of punctuated equilibrium refers to

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The concept of punctuated equilibrium refers to
 A. oscillating ecological successional stages
 B. ecological succession arrested by sudden environmental changes, e.g., fire
 C. persistent predator-prey relationships in relatively stable environments
 D. bursts of speciation followed by relatively unchanging lineages
Answer:


Question: The concept of punctuated equilibrium refers to

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The concept of punctuated equilibrium refers to
 A. oscillating ecological successional stages
 B. ecological succession arrested by sudden environmental changes, e.g., fire
 C. persistent predator-prey relationships in relatively stable environments
 D. bursts of speciation followed by relatively unchanging lineages
Answer:


Question: When an influenza virus enters a cell, it immediately starts to do which of the following?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: When an influenza virus enters a cell, it immediately starts to do which of the following?
 A. Incorporate viral DNA into the host cell’s chromosome
 B. Destroy the host cell’s transcriptional machinery
 C. Replicate its genetic material and synthesize viral proteins
 D. Use a viral copy of reverse transcriptase to manufacture viral DNA
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: When an influenza virus enters a cell, it immediately starts to do which of the following?
 A. Incorporate viral DNA into the host cell’s chromosome
 B. Destroy the host cell’s transcriptional machinery
 C. Replicate its genetic material and synthesize viral proteins
 D. Use a viral copy of reverse transcriptase to manufacture viral DNA
Answer:


Question: When an influenza virus enters a cell, it immediately starts to do which of the following?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: When an influenza virus enters a cell, it immediately starts to do which of the following?
 A. Incorporate viral DNA into the host cell’s chromosome
 B. Destroy the host cell’s transcriptional machinery
 C. Replicate its genetic material and synthesize viral proteins
 D. Use a viral copy of reverse transcriptase to manufacture viral DNA
Answer:


Question: When an influenza virus enters a cell, it immediately starts to do which of the following?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: When an influenza virus enters a cell, it immediately starts to do which of the following?
 A. Incorporate viral DNA into the host cell’s chromosome
 B. Destroy the host cell’s transcriptional machinery
 C. Replicate its genetic material and synthesize viral proteins
 D. Use a viral copy of reverse transcriptase to manufacture viral DNA
Answer:


Question: When an influenza virus enters a cell, it immediately starts to do which of the following?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: When an influenza virus enters a cell, it immediately starts to do which of the following?
 A. Incorporate viral DNA into the host cell’s chromosome
 B. Destroy the host cell’s transcriptional machinery
 C. Replicate its genetic material and synthesize viral proteins
 D. Use a viral copy of reverse transcriptase to manufacture viral DNA
Answer:


Question: Cleavage symmetry arising from early cell divisions that occur at an oblique angle to the polar axis is known as

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Cleavage symmetry arising from early cell divisions that occur at an oblique angle to the polar axis is known as
 A. meroblastic cleavage
 B. radial cleavage
 C. spiral cleavage
 D. superficial cleavage
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Cleavage symmetry arising from early cell divisions that occur at an oblique angle to the polar axis is known as
 A. meroblastic cleavage
 B. radial cleavage
 C. spiral cleavage
 D. superficial cleavage
Answer:


Question: Cleavage symmetry arising from early cell divisions that occur at an oblique angle to the polar axis is known as

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Cleavage symmetry arising from early cell divisions that occur at an oblique angle to the polar axis is known as
 A. meroblastic cleavage
 B. radial cleavage
 C. spiral cleavage
 D. superficial cleavage
Answer:


Question: Cleavage symmetry arising from early cell divisions that occur at an oblique angle to the polar axis is known as

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Cleavage symmetry arising from early cell divisions that occur at an oblique angle to the polar axis is known as
 A. meroblastic cleavage
 B. radial cleavage
 C. spiral cleavage
 D. superficial cleavage
Answer:


Question: Cleavage symmetry arising from early cell divisions that occur at an oblique angle to the polar axis is known as

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Cleavage symmetry arising from early cell divisions that occur at an oblique angle to the polar axis is known as
 A. meroblastic cleavage
 B. radial cleavage
 C. spiral cleavage
 D. superficial cleavage
Answer:


Question: Targeting of a newly synthesized protein is most likely to require two different signal peptides for which of the following destinations?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Targeting of a newly synthesized protein is most likely to require two different signal peptides for which of the following destinations?
 A. Plasma membrane
 B. Lysosome
 C. Cytosol
 D. Chloroplast
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Targeting of a newly synthesized protein is most likely to require two different signal peptides for which of the following destinations?
 A. Plasma membrane
 B. Lysosome
 C. Cytosol
 D. Chloroplast
Answer:


Question: Targeting of a newly synthesized protein is most likely to require two different signal peptides for which of the following destinations?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Targeting of a newly synthesized protein is most likely to require two different signal peptides for which of the following destinations?
 A. Plasma membrane
 B. Lysosome
 C. Cytosol
 D. Chloroplast
Answer:


Question: Targeting of a newly synthesized protein is most likely to require two different signal peptides for which of the following destinations?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Targeting of a newly synthesized protein is most likely to require two different signal peptides for which of the following destinations?
 A. Plasma membrane
 B. Lysosome
 C. Cytosol
 D. Chloroplast
Answer:


Question: Targeting of a newly synthesized protein is most likely to require two different signal peptides for which of the following destinations?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Targeting of a newly synthesized protein is most likely to require two different signal peptides for which of the following destinations?
 A. Plasma membrane
 B. Lysosome
 C. Cytosol
 D. Chloroplast
Answer:


Question: In Sweden, the red fox (Vulpes vulpes) severely limits populations of its prey, including hares. However, red fox populations are sometimes attacked by a fatal parasite, the mange mite. As mite population sizes increase at a given site, how are hare and fox populations most likely to respond at the same site? (Assume that hares have no major predators at this site other than foxes.)

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In Sweden, the red fox (Vulpes vulpes) severely limits populations of its prey, including hares. However, red fox populations are sometimes attacked by a fatal parasite, the mange mite. As mite population sizes increase at a given site, how are hare and fox populations most likely to respond at the same site? (Assume that hares have no major predators at this site other than foxes.)
 A. Both fox and hare populations will decrease.
 B. Both fox and hare populations will increase.
 C. Fox populations will decrease and hare populations will increase.
 D. Fox populations will increase and hare populations will decrease.
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: In Sweden, the red fox (Vulpes vulpes) severely limits populations of its prey, including hares. However, red fox populations are sometimes attacked by a fatal parasite, the mange mite. As mite population sizes increase at a given site, how are hare and fox populations most likely to respond at the same site? (Assume that hares have no major predators at this site other than foxes.)
 A. Both fox and hare populations will decrease.
 B. Both fox and hare populations will increase.
 C. Fox populations will decrease and hare populations will increase.
 D. Fox populations will increase and hare populations will decrease.
Answer:


Question: In Sweden, the red fox (Vulpes vulpes) severely limits populations of its prey, including hares. However, red fox populations are sometimes attacked by a fatal parasite, the mange mite. As mite population sizes increase at a given site, how are hare and fox populations most likely to respond at the same site? (Assume that hares have no major predators at this site other than foxes.)

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In Sweden, the red fox (Vulpes vulpes) severely limits populations of its prey, including hares. However, red fox populations are sometimes attacked by a fatal parasite, the mange mite. As mite population sizes increase at a given site, how are hare and fox populations most likely to respond at the same site? (Assume that hares have no major predators at this site other than foxes.)
 A. Both fox and hare populations will decrease.
 B. Both fox and hare populations will increase.
 C. Fox populations will decrease and hare populations will increase.
 D. Fox populations will increase and hare populations will decrease.
Answer:


Question: In Sweden, the red fox (Vulpes vulpes) severely limits populations of its prey, including hares. However, red fox populations are sometimes attacked by a fatal parasite, the mange mite. As mite population sizes increase at a given site, how are hare and fox populations most likely to respond at the same site? (Assume that hares have no major predators at this site other than foxes.)

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In Sweden, the red fox (Vulpes vulpes) severely limits populations of its prey, including hares. However, red fox populations are sometimes attacked by a fatal parasite, the mange mite. As mite population sizes increase at a given site, how are hare and fox populations most likely to respond at the same site? (Assume that hares have no major predators at this site other than foxes.)
 A. Both fox and hare populations will decrease.
 B. Both fox and hare populations will increase.
 C. Fox populations will decrease and hare populations will increase.
 D. Fox populations will increase and hare populations will decrease.
Answer:


Question: In Sweden, the red fox (Vulpes vulpes) severely limits populations of its prey, including hares. However, red fox populations are sometimes attacked by a fatal parasite, the mange mite. As mite population sizes increase at a given site, how are hare and fox populations most likely to respond at the same site? (Assume that hares have no major predators at this site other than foxes.)

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In Sweden, the red fox (Vulpes vulpes) severely limits populations of its prey, including hares. However, red fox populations are sometimes attacked by a fatal parasite, the mange mite. As mite population sizes increase at a given site, how are hare and fox populations most likely to respond at the same site? (Assume that hares have no major predators at this site other than foxes.)
 A. Both fox and hare populations will decrease.
 B. Both fox and hare populations will increase.
 C. Fox populations will decrease and hare populations will increase.
 D. Fox populations will increase and hare populations will decrease.
Answer:


Question:
A cell nucleus contains which of the following?
I. DNA
II. Protein
III. RNA

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A cell nucleus contains which of the following?
I. DNA
II. Protein
III. RNA
 A. I only
 B. II only
 C. III only
 D. I, II, and III
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: A cell nucleus contains which of the following?
I. DNA
II. Protein
III. RNA
 A. I only
 B. II only
 C. III only
 D. I, II, and III
Answer:


Question:
A cell nucleus contains which of the following?
I. DNA
II. Protein
III. RNA

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A cell nucleus contains which of the following?
I. DNA
II. Protein
III. RNA
 A. I only
 B. II only
 C. III only
 D. I, II, and III
Answer:


Question:
A cell nucleus contains which of the following?
I. DNA
II. Protein
III. RNA

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A cell nucleus contains which of the following?
I. DNA
II. Protein
III. RNA
 A. I only
 B. II only
 C. III only
 D. I, II, and III
Answer:


Question:
A cell nucleus contains which of the following?
I. DNA
II. Protein
III. RNA

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A cell nucleus contains which of the following?
I. DNA
II. Protein
III. RNA
 A. I only
 B. II only
 C. III only
 D. I, II, and III
Answer:


Question: In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?
 A. Archaea and Eukarya diverged after their common ancestor diverged from Bacteria.
 B. Archaea and Bacteria diverged after their common ancestor diverged from Eukarya.
 C. Bacteria and Eukarya diverged after their common ancestor diverged from Archaea.
 D. Archaea, Eukarya, and Bacteria diverged simultaneously from a common ancestor.
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?
 A. Archaea and Eukarya diverged after their common ancestor diverged from Bacteria.
 B. Archaea and Bacteria diverged after their common ancestor diverged from Eukarya.
 C. Bacteria and Eukarya diverged after their common ancestor diverged from Archaea.
 D. Archaea, Eukarya, and Bacteria diverged simultaneously from a common ancestor.
Answer:


Question: In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?
 A. Archaea and Eukarya diverged after their common ancestor diverged from Bacteria.
 B. Archaea and Bacteria diverged after their common ancestor diverged from Eukarya.
 C. Bacteria and Eukarya diverged after their common ancestor diverged from Archaea.
 D. Archaea, Eukarya, and Bacteria diverged simultaneously from a common ancestor.
Answer:


Question: In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?
 A. Archaea and Eukarya diverged after their common ancestor diverged from Bacteria.
 B. Archaea and Bacteria diverged after their common ancestor diverged from Eukarya.
 C. Bacteria and Eukarya diverged after their common ancestor diverged from Archaea.
 D. Archaea, Eukarya, and Bacteria diverged simultaneously from a common ancestor.
Answer:


Question: In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In one taxonomic classification, Archaea, Eukarya, and Bacteria represent the three major domains of life. Eukarya utilize the general transcription factors TBP (TATA-binding protein) and TFIIB in transcription, whereas Bacteria do not. At least one member of Archaea has a protein similar to TBP and a protein similar to TFIIB. Based on this observation, which of the following scenarios is most likely?
 A. Archaea and Eukarya diverged after their common ancestor diverged from Bacteria.
 B. Archaea and Bacteria diverged after their common ancestor diverged from Eukarya.
 C. Bacteria and Eukarya diverged after their common ancestor diverged from Archaea.
 D. Archaea, Eukarya, and Bacteria diverged simultaneously from a common ancestor.
Answer:


Question: A rise in intracellular free calcium in the sea urchin oocyte causes the release of proteolytic enzymes which act to prevent polyspermy. The events just described entail the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A rise in intracellular free calcium in the sea urchin oocyte causes the release of proteolytic enzymes which act to prevent polyspermy. The events just described entail the
 A. zona reaction
 B. acrosomal reaction
 C. cortical reaction
 D. fertilization reaction
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: A rise in intracellular free calcium in the sea urchin oocyte causes the release of proteolytic enzymes which act to prevent polyspermy. The events just described entail the
 A. zona reaction
 B. acrosomal reaction
 C. cortical reaction
 D. fertilization reaction
Answer:


Question: A rise in intracellular free calcium in the sea urchin oocyte causes the release of proteolytic enzymes which act to prevent polyspermy. The events just described entail the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A rise in intracellular free calcium in the sea urchin oocyte causes the release of proteolytic enzymes which act to prevent polyspermy. The events just described entail the
 A. zona reaction
 B. acrosomal reaction
 C. cortical reaction
 D. fertilization reaction
Answer:


Question: A rise in intracellular free calcium in the sea urchin oocyte causes the release of proteolytic enzymes which act to prevent polyspermy. The events just described entail the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A rise in intracellular free calcium in the sea urchin oocyte causes the release of proteolytic enzymes which act to prevent polyspermy. The events just described entail the
 A. zona reaction
 B. acrosomal reaction
 C. cortical reaction
 D. fertilization reaction
Answer:


Question: A rise in intracellular free calcium in the sea urchin oocyte causes the release of proteolytic enzymes which act to prevent polyspermy. The events just described entail the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: A rise in intracellular free calcium in the sea urchin oocyte causes the release of proteolytic enzymes which act to prevent polyspermy. The events just described entail the
 A. zona reaction
 B. acrosomal reaction
 C. cortical reaction
 D. fertilization reaction
Answer:


Question: Which of the following is a benefit that mycorrhizal fungi confer to many plants?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is a benefit that mycorrhizal fungi confer to many plants?
 A. They protect plant roots from desiccation in extremely dry habitats.
 B. They fix nitrogen, which is particularly important for plants in nitrogen-limited habitats.
 C. They provide access to phosphorus, an essential element that is limited in many kinds of soils.
 D. They provide carbon to plants in exchange for fixed nitrogen.
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Which of the following is a benefit that mycorrhizal fungi confer to many plants?
 A. They protect plant roots from desiccation in extremely dry habitats.
 B. They fix nitrogen, which is particularly important for plants in nitrogen-limited habitats.
 C. They provide access to phosphorus, an essential element that is limited in many kinds of soils.
 D. They provide carbon to plants in exchange for fixed nitrogen.
Answer:


Question: Which of the following is a benefit that mycorrhizal fungi confer to many plants?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is a benefit that mycorrhizal fungi confer to many plants?
 A. They protect plant roots from desiccation in extremely dry habitats.
 B. They fix nitrogen, which is particularly important for plants in nitrogen-limited habitats.
 C. They provide access to phosphorus, an essential element that is limited in many kinds of soils.
 D. They provide carbon to plants in exchange for fixed nitrogen.
Answer:


Question: Which of the following is a benefit that mycorrhizal fungi confer to many plants?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is a benefit that mycorrhizal fungi confer to many plants?
 A. They protect plant roots from desiccation in extremely dry habitats.
 B. They fix nitrogen, which is particularly important for plants in nitrogen-limited habitats.
 C. They provide access to phosphorus, an essential element that is limited in many kinds of soils.
 D. They provide carbon to plants in exchange for fixed nitrogen.
Answer:


Question: Which of the following is a benefit that mycorrhizal fungi confer to many plants?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following is a benefit that mycorrhizal fungi confer to many plants?
 A. They protect plant roots from desiccation in extremely dry habitats.
 B. They fix nitrogen, which is particularly important for plants in nitrogen-limited habitats.
 C. They provide access to phosphorus, an essential element that is limited in many kinds of soils.
 D. They provide carbon to plants in exchange for fixed nitrogen.
Answer:


Question: Experiments on song development in birds have shown that when a young male reared in isolation hears only the song of a different bird species, he will develop an adult song repertoire that lacks certain characteristics typical of his own species. This result shows that the song of his species is most likely

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Experiments on song development in birds have shown that when a young male reared in isolation hears only the song of a different bird species, he will develop an adult song repertoire that lacks certain characteristics typical of his own species. This result shows that the song of his species is most likely
 A. entirely learned during development
 B. entirely instinctive
 C. both instinctive and learned
 D. dependent upon hormones for proper development
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Experiments on song development in birds have shown that when a young male reared in isolation hears only the song of a different bird species, he will develop an adult song repertoire that lacks certain characteristics typical of his own species. This result shows that the song of his species is most likely
 A. entirely learned during development
 B. entirely instinctive
 C. both instinctive and learned
 D. dependent upon hormones for proper development
Answer:


Question: Experiments on song development in birds have shown that when a young male reared in isolation hears only the song of a different bird species, he will develop an adult song repertoire that lacks certain characteristics typical of his own species. This result shows that the song of his species is most likely

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Experiments on song development in birds have shown that when a young male reared in isolation hears only the song of a different bird species, he will develop an adult song repertoire that lacks certain characteristics typical of his own species. This result shows that the song of his species is most likely
 A. entirely learned during development
 B. entirely instinctive
 C. both instinctive and learned
 D. dependent upon hormones for proper development
Answer:


Question: Experiments on song development in birds have shown that when a young male reared in isolation hears only the song of a different bird species, he will develop an adult song repertoire that lacks certain characteristics typical of his own species. This result shows that the song of his species is most likely

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Experiments on song development in birds have shown that when a young male reared in isolation hears only the song of a different bird species, he will develop an adult song repertoire that lacks certain characteristics typical of his own species. This result shows that the song of his species is most likely
 A. entirely learned during development
 B. entirely instinctive
 C. both instinctive and learned
 D. dependent upon hormones for proper development
Answer:


Question: Experiments on song development in birds have shown that when a young male reared in isolation hears only the song of a different bird species, he will develop an adult song repertoire that lacks certain characteristics typical of his own species. This result shows that the song of his species is most likely

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Experiments on song development in birds have shown that when a young male reared in isolation hears only the song of a different bird species, he will develop an adult song repertoire that lacks certain characteristics typical of his own species. This result shows that the song of his species is most likely
 A. entirely learned during development
 B. entirely instinctive
 C. both instinctive and learned
 D. dependent upon hormones for proper development
Answer:


Question: Which of the following most accurately describes a retrotransposon?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following most accurately describes a retrotransposon?
 A. A DNA sequence that can move from one site in the genome to another without replicating
 B. A DNA sequence that can be deleted from the genome without consequence
 C. A DNA sequence that replicates via an RNA intermediate
 D. A DNA sequence that replicates via a protein intermediate
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Which of the following most accurately describes a retrotransposon?
 A. A DNA sequence that can move from one site in the genome to another without replicating
 B. A DNA sequence that can be deleted from the genome without consequence
 C. A DNA sequence that replicates via an RNA intermediate
 D. A DNA sequence that replicates via a protein intermediate
Answer:


Question: Which of the following most accurately describes a retrotransposon?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following most accurately describes a retrotransposon?
 A. A DNA sequence that can move from one site in the genome to another without replicating
 B. A DNA sequence that can be deleted from the genome without consequence
 C. A DNA sequence that replicates via an RNA intermediate
 D. A DNA sequence that replicates via a protein intermediate
Answer:


Question: Which of the following most accurately describes a retrotransposon?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following most accurately describes a retrotransposon?
 A. A DNA sequence that can move from one site in the genome to another without replicating
 B. A DNA sequence that can be deleted from the genome without consequence
 C. A DNA sequence that replicates via an RNA intermediate
 D. A DNA sequence that replicates via a protein intermediate
Answer:


Question: Which of the following most accurately describes a retrotransposon?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following most accurately describes a retrotransposon?
 A. A DNA sequence that can move from one site in the genome to another without replicating
 B. A DNA sequence that can be deleted from the genome without consequence
 C. A DNA sequence that replicates via an RNA intermediate
 D. A DNA sequence that replicates via a protein intermediate
Answer:


Question: The soils of which of the following biomes has the highest rate of leaching and cycling of nutrients?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The soils of which of the following biomes has the highest rate of leaching and cycling of nutrients?
 A. Tropical rain forest
 B. Tundra
 C. Taiga
 D. Desert
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: The soils of which of the following biomes has the highest rate of leaching and cycling of nutrients?
 A. Tropical rain forest
 B. Tundra
 C. Taiga
 D. Desert
Answer:


Question: The soils of which of the following biomes has the highest rate of leaching and cycling of nutrients?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The soils of which of the following biomes has the highest rate of leaching and cycling of nutrients?
 A. Tropical rain forest
 B. Tundra
 C. Taiga
 D. Desert
Answer:


Question: The soils of which of the following biomes has the highest rate of leaching and cycling of nutrients?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The soils of which of the following biomes has the highest rate of leaching and cycling of nutrients?
 A. Tropical rain forest
 B. Tundra
 C. Taiga
 D. Desert
Answer:


Question: The soils of which of the following biomes has the highest rate of leaching and cycling of nutrients?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The soils of which of the following biomes has the highest rate of leaching and cycling of nutrients?
 A. Tropical rain forest
 B. Tundra
 C. Taiga
 D. Desert
Answer:


Question: Which of the following best explains why enzymes are effective in facilitating chemical reactions?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following best explains why enzymes are effective in facilitating chemical reactions?
 A. They raise the temperature of the reaction mixture, thereby speeding up the conversion of reactants to products.
 B. They alter the equilibrium constant of a reaction (K_eq) so that more reactant can be converted to product.
 C. They increase the maximal rate of the chemical reaction (V_max).
 D. They lower the activation energy, thereby speeding up the conversion of reactants to products.
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Which of the following best explains why enzymes are effective in facilitating chemical reactions?
 A. They raise the temperature of the reaction mixture, thereby speeding up the conversion of reactants to products.
 B. They alter the equilibrium constant of a reaction (K_eq) so that more reactant can be converted to product.
 C. They increase the maximal rate of the chemical reaction (V_max).
 D. They lower the activation energy, thereby speeding up the conversion of reactants to products.
Answer:


Question: Which of the following best explains why enzymes are effective in facilitating chemical reactions?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following best explains why enzymes are effective in facilitating chemical reactions?
 A. They raise the temperature of the reaction mixture, thereby speeding up the conversion of reactants to products.
 B. They alter the equilibrium constant of a reaction (K_eq) so that more reactant can be converted to product.
 C. They increase the maximal rate of the chemical reaction (V_max).
 D. They lower the activation energy, thereby speeding up the conversion of reactants to products.
Answer:


Question: Which of the following best explains why enzymes are effective in facilitating chemical reactions?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following best explains why enzymes are effective in facilitating chemical reactions?
 A. They raise the temperature of the reaction mixture, thereby speeding up the conversion of reactants to products.
 B. They alter the equilibrium constant of a reaction (K_eq) so that more reactant can be converted to product.
 C. They increase the maximal rate of the chemical reaction (V_max).
 D. They lower the activation energy, thereby speeding up the conversion of reactants to products.
Answer:


Question: Which of the following best explains why enzymes are effective in facilitating chemical reactions?

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Which of the following best explains why enzymes are effective in facilitating chemical reactions?
 A. They raise the temperature of the reaction mixture, thereby speeding up the conversion of reactants to products.
 B. They alter the equilibrium constant of a reaction (K_eq) so that more reactant can be converted to product.
 C. They increase the maximal rate of the chemical reaction (V_max).
 D. They lower the activation energy, thereby speeding up the conversion of reactants to products.
Answer:


Question: In the growth of a population, the point at which natality and mortality rates are equal to one another is referred to as

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In the growth of a population, the point at which natality and mortality rates are equal to one another is referred to as
 A. a population crash
 B. a population explosion
 C. zero population growth
 D. exponential growth
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: In the growth of a population, the point at which natality and mortality rates are equal to one another is referred to as
 A. a population crash
 B. a population explosion
 C. zero population growth
 D. exponential growth
Answer:


Question: In the growth of a population, the point at which natality and mortality rates are equal to one another is referred to as

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In the growth of a population, the point at which natality and mortality rates are equal to one another is referred to as
 A. a population crash
 B. a population explosion
 C. zero population growth
 D. exponential growth
Answer:


Question: In the growth of a population, the point at which natality and mortality rates are equal to one another is referred to as

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In the growth of a population, the point at which natality and mortality rates are equal to one another is referred to as
 A. a population crash
 B. a population explosion
 C. zero population growth
 D. exponential growth
Answer:


Question: In the growth of a population, the point at which natality and mortality rates are equal to one another is referred to as

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: In the growth of a population, the point at which natality and mortality rates are equal to one another is referred to as
 A. a population crash
 B. a population explosion
 C. zero population growth
 D. exponential growth
Answer:


Question: The wings of a bat and the wings of a butterfly are

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The wings of a bat and the wings of a butterfly are
 A. homologous structures
 B. analogous structures
 C. vestigial structures
 D. dissimilar in form and function
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: The wings of a bat and the wings of a butterfly are
 A. homologous structures
 B. analogous structures
 C. vestigial structures
 D. dissimilar in form and function
Answer:


Question: The wings of a bat and the wings of a butterfly are

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The wings of a bat and the wings of a butterfly are
 A. homologous structures
 B. analogous structures
 C. vestigial structures
 D. dissimilar in form and function
Answer:


Question: The wings of a bat and the wings of a butterfly are

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The wings of a bat and the wings of a butterfly are
 A. homologous structures
 B. analogous structures
 C. vestigial structures
 D. dissimilar in form and function
Answer:


Question: The wings of a bat and the wings of a butterfly are

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The wings of a bat and the wings of a butterfly are
 A. homologous structures
 B. analogous structures
 C. vestigial structures
 D. dissimilar in form and function
Answer:


Question: The cell type comprising the pith tissue centered within a dicot stem is the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The cell type comprising the pith tissue centered within a dicot stem is the
 A. parenchyma
 B. sclerenchyma
 C. vascular cambium
 D. vascular bundle
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: The cell type comprising the pith tissue centered within a dicot stem is the
 A. parenchyma
 B. sclerenchyma
 C. vascular cambium
 D. vascular bundle
Answer:


Question: The cell type comprising the pith tissue centered within a dicot stem is the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The cell type comprising the pith tissue centered within a dicot stem is the
 A. parenchyma
 B. sclerenchyma
 C. vascular cambium
 D. vascular bundle
Answer:


Question: The cell type comprising the pith tissue centered within a dicot stem is the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The cell type comprising the pith tissue centered within a dicot stem is the
 A. parenchyma
 B. sclerenchyma
 C. vascular cambium
 D. vascular bundle
Answer:


Question: The cell type comprising the pith tissue centered within a dicot stem is the

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: The cell type comprising the pith tissue centered within a dicot stem is the
 A. parenchyma
 B. sclerenchyma
 C. vascular cambium
 D. vascular bundle
Answer:


Question: Mobile regions of DNA capable of inserting themselves into an existing genome are

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Mobile regions of DNA capable of inserting themselves into an existing genome are
 A. prions
 B. cistrons
 C. introns
 D. transposons
Answer:

Context:
The following are multiple choice questions (with answers) about college biology.

Question: Which of the following represents an accurate statement concerning arthropods?
 A. They possess an exoskeleton composed primarily of peptidoglycan.
 B. They possess an open circulatory system with a dorsal heart.
 C. They are members of a biologically unsuccessful phylum incapable of exploiting diverse habitats and nutrition sources.
 D. They lack paired, jointed appendages.
Answer: B

Question: In a given population, 1 out of every 400 people has a cancer caused by a completely recessive allele, b. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is the expected proportion of individuals who carry the b allele but are not expected to develop the cancer?
 A. 1/400
 B. 19/400
 C. 20/400
 D. 38/400
Answer: D

Question: The presence of homologous structures in two different organisms, such as the humerus in the front limb of a human and a bird, indicates that
 A. the human and bird are polyphyletic species
 B. a human's and bird's evolution is convergent
 C. the human and bird belong to a clade
 D. the human and bird developed by analogy
Answer: C

Question: According to the pressure-flow model of movement of phloem contents, photosynthate movement from source to sink is driven by
 A. an ATP-dependent pressure-flow pump
 B. a water-pressure potential gradient
 C. transpiration
 D. apoplastic diffusion
Answer: B

Question: Which of the following contain DNA sequences required for the segregation of chromosomes in mitosis and meiosis?
 A. Telomeres
 B. Centromeres
 C. Nucleosomes
 D. Spliceosomes
Answer: B

Question: Mobile regions of DNA capable of inserting themselves into an existing genome are
 A. prions
 B. cistrons
 C. introns
 D. transposons
Answer:


Question: Mobile regions of DNA capable of inserting themselves into an existing genome are

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Mobile regions of DNA capable of inserting themselves into an existing genome are
 A. prions
 B. cistrons
 C. introns
 D. transposons
Answer:


Question: Mobile regions of DNA capable of inserting themselves into an existing genome are

college_biology

Choices:
- A
- B
- C
- D

Question:
Question: Mobile regions of DNA capable of inserting themselves into an existing genome are
 A. prions
 B. cistrons
 C. introns
 D. transposons
Answer: