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JEE · NEET Previous Year Question

$Out of the following, which type of interaction is responsible for the stabilisation of α -helix structure of proteins?$

Topic: JEE PYQ

Answer: B. Full step-by-step solution below.

A $Ionic bonding$
B $Hydrogen bonding$
C $vander Waals forces$
D $Covalent bonding$

Correct answer: B

Solution

(b) The α -helix is stabilized by hydrogen bond between the NH and CO group of the main chain.

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