DNA differs from RNA because DNA
A. contains thymine in place of uracil.
B. consists of a single rather than a double polynucleotide strand.
C. contains the sugar ribose rather than the sugar deoxyribose.
D. contains phosphate groups not found in RNA.
Answer:A
DNA differs from RNA because DNA
A. contains thymine in place of uracil. B. consists of a single rather than a double polynucleotide strand. C. contains the sugar ribose rather than the sugar deoxyribose. D. contains phosphate groups not found in RNA.