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Question

Proteins are found to have two different types of secondary structures vix. α helix and β pleated sheet structure, α helix structure of a protein is stabilised by:

A
peptide bonds
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B
van der Waals forces
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C
hydrogen bonds
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D
dipole-dipole interactions
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Solution

The correct option is D hydrogen bonds
Answer:- (C) hydrogen bonds
Two major factors stabilize the α-helix structure are intrachain H-bonding and minimization of steric interference between side chains.

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