A-T base pairs in a DNA double helix

A: are of a substantially different length than G-C base pairs.
B: are chemically distinct from G-C base pairs.
C: are not accessible to DNA binding proteins.
D: are more heat stable than G-C base pairs.
E: form three hydrogen bonds with each other.


Answer: B: are chemically distinct from G-C base pairs.

Biology & Microbiology

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