A purine base contains ____.
A)one less phosphate group than a pyrimidine base
B)two rings
C)sulfur instead of nitrogen
D)phosphate instead of nitrogen
E)one ring

Question

​A purine base contains ____.
A)​one less phosphate group than a pyrimidine base
B)​two rings
C)​sulfur instead of nitrogen
D)​phosphate instead of nitrogen
E)​one ring

Quizplus · Accepted Answer

Purine bases, which include adenine and guanine, are characterized by their two-ring structure, distinguishing them from pyrimidine bases that have a single ring.

​A Purine Base Contains ____

A Purine Base Contains ____