Which of the following includes all of the pyrimidines found in RNA and DNA?
A) cytosine and uracil
B) cytosine and thymine
C) cytosine, uracil, and thymine
D) cytosine, uracil, and guanine

Question

Quizplus · Accepted Answer

Pyrimidines are a class of nucleotides that include cytosine, thymine, and uracil. These bases are found in both RNA and DNA, and the only option that includes all three pyrimidines is choice C: cytosine, uracil, and thymine. Choices A and D include only two of the pyrimidines, while choice B includes thymine (found only in DNA) but not uracil (found only in RNA).

Which of the Following Includes All of the Pyrimidines Found