Multiple Choice
The structural stability of the double helix of DNA is ascribed in part to
A) hydrogen bonding between adjacent purine bases.
B) ionic bonding between stacked purine and pyrimidine nuclei.
C) hydrogen bonding between adjacent pyrimidine bases.
D) the helical structure of the molecule.
E) hydrogen bonding between purine and pyrimidine bases.
Correct Answer:

Verified
Correct Answer:
Verified
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