Question
This force can stabilize a DNA double-helix
Options :
Hydrophilic sugar-phosphate groups are found on the exterior of the helix where interaction with water occurs
Hydrophobic bases are present in the interior of the helix, each base-pair is stabilized by the same number of hydrogen bonds
covalent base stacking interactions may take place between neighbouring bases within the same strand in the helix
non-covalent N-glycosidic bonds may form between nitrogenous bases in opposite strands in the helix
Answer :
Hydrophilic sugar-phosphate groups are found on the exterior of the helix where interaction with water occurs
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