Question: Q: The "double helix" shape is associated with what substance found in cells?    Choices:  - genes  - bacteria  - plasma  - dna  A:
Answer: dna

Question: Q: What do clouds trap into the atmosphere at night?    Choices:  - seawater  - light  - smog  - heat  A:
Answer: heat

Question: Q: What might arthropods use as legs for walking?    Choices:  - antennae  - flagella  - cloven hooves  - jointed appendages  A:
Answer:
jointed appendages