Which base pair has a potential H-bond donor in both the major and minor grooves?

Name: Which base pair has a potential H-bond donor in both the major and minor grooves?
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Question

Quizplus · Accepted Answer

In the major groove of the double helix, the C of C-G base pair can be a hydrogen bond donor to an amino or imino group of a protein or RNA molecule. In the minor groove, the G of G-C base pair can be a hydrogen bond donor. Thus, the correct answer is D, C-G.

Which Base Pair Has a Potential H-Bond Donor in Both