Classification. Answer the following questions in reference to the five nucleotides listed below.
-If one chain of a DNA molecule has a purine at a given position,this nucleotide complements it on the other chain.
A)Guanine
B)Cytosine
C)Pyrimidine
D)Thymine
E)Uracil

Question

Quizplus · Accepted Answer

In DNA, purines (adenine and guanine) pair with pyrimidines (cytosine and thymine). If one chain has a purine, the complementary nucleotide on the other chain is a pyrimidine.