Genetics - Section 1 :: Discussion


14.Which force can stabilize a DNA double-helix?
A.Hydrophobic bases are found in the interior of the helix where each base- pair is stabilized by the same number of hydrogen bonds
B.Hydrophilic sugar-phosphate groups are found on the exterior of the helix where they can interact with water.
C.Non-covalent N-glycosidic bonds can form between nitrogenous bases in opposite strands in the helix
D.Covalent base-stacking interactions can occur between adjacent bases within the same strand in the helix.
Answer:  Option  B
Explanation:

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Published by:Rehana Akram

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