The Purines Found in DNA are ________ and Guanine

Question

The purines found in DNA are ________ and guanine.
A) cytosine
B) adenine
C) thymine
D) uracil
E) niacin

Accepted Answer

Adenine and guanine are the two purines found in DNA. Cytosine, thymine, and uracil are pyrimidines, with uracil found only in RNA, replacing thymine. Niacin is a vitamin and not a nucleotide.