Bio-Chemistry (M.Phil./Ph.D.) 2019 Panjab University Entrance Exam With Answers

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15.

Triple helical DNA structures can result from Hoogsteen (non Watson-Crick) interactions. These interactions are primarily:

A: Covalent bonds involving deoxyribose
B: Covalent bonds involving bases
C: Hydrogen bonds involving the bases
D: Hydrophobic interactions involving the bases

The answer is: C

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