All are important functional groups participating in H-bond formation EXCEPT:
A) amino group of the cytosine, adenine, and guanine.
B) the ring nitrogens at position 3 of pyrimidines and 1 of purines.
C) the electronegative oxygen atoms.
D) the electron density in the double bonds of the bases.
E) the carbonyl group at position 4 of uracil and thymine, position 2 of cytosine, and position 6 of guanine.

Question

Quizplus · Accepted Answer

The electron density in the double bonds of the bases does not participate in H-bond formation. All the other options contain functional groups that can participate in H-bond formation.

All Are Important Functional Groups Participating in H-Bond Formation EXCEPT