Purines and Pyrimidines found in RNA respectively are: A. Adenine and thymine B. Guanine and adenine C. Adenine and uracil D. Uracil and guanine
Option C.They pair together through complementary pairing based on Chargaff's Rule (A::T and G::C). The purines in DNA are adenine and guanine, the same as in RNA. The pyrimidines in DNA are cytosine and thymine; in RNA, they are cytosine and uracil.
