DNA is composed of double-ring nitrogenous bases,whereas RNA is composed of single-ring nitrogenous bases.

Question

Quizplus · Accepted Answer

DNA and RNA both contain double-ring purines (adenine and guanine) and single-ring pyrimidines (cytosine, thymine in DNA, and uracil in RNA). The difference is not in the ring structure of their bases but in the presence of thymine in DNA and uracil in RNA, among other structural differences.

DNA Is Composed of Double-Ring Nitrogenous Bases,whereas RNA Is Composed