$α -$ Helix structure of polypeptide contains:

intermolecular hydrogen bonds

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intramolecular hydrogen bonds

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both

A

and

B

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none of these

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Solution

The correct option is C both $A$ and $B$
$α$ -helix structure of polypeptide chain:-
It is right handed spirally coiled structure
Every curve has 3.5 amino acids.
Hydrogen bonds are found in single polypetide chain, that's why it called intra-molecular hydrogen bond.

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Proteins are found to have two different types of secondary structures viz $α -$ helix and $β -$ pleated sheet structure. $α -$ helix structure of protein is stabilised by
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α−Helix structure of polypeptide contains:

The correct option is C both A and Bα-helix structure of polypeptide chain:-It is right handed spirally coiled structureEvery curve has 3.5 amino acids.Hydrogen bonds are found in single polypetide chain, that's why it called intra-molecular hydrogen bond.

$α -$ Helix structure of polypeptide contains:

The correct option is C both $A$ and $B$
$α$ -helix structure of polypeptide chain:-
It is right handed spirally coiled structure
Every curve has 3.5 amino acids.
Hydrogen bonds are found in single polypetide chain, that's why it called intra-molecular hydrogen bond.