The structure of RNA differs from DNA in that
A) RNA contains pyrimidines but not purines.
B) DNA contains pyrimidines but not purines.
C) DNA contains purines but not pyrimidines.
D) the backbone of RNA contains ribose.
E) RNA contains purines but not pyrimidines.

Question

Quizplus · Accepted Answer

RNA contains ribose sugar in its backbone, whereas DNA contains deoxyribose sugar. Both RNA and DNA contain purines and pyrimidines.

The Structure of RNA Differs from DNA in That