Home Chemistry Biomolecules NEET Previous Year Question The helical structure of protein is stabilis…
Chemistry Biomolecules NEET Previous Year Question Single Correct MCQ
Published on: August 11, 2026

The helical structure of protein is stabilised by

A
dipeptide bonds
B
hydrogen bonds
C
ether bonds
D
peptide bonds.

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Text Solution

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The correct answer is:
B

: ‐helix structure is formed when the chain of ‐amino acids coil as a right handed screw because of the formation of hydrogen bonds between amide groups of the same peptide chain, i . e ., NH group in one unit is linked to carbonyl oxygen of the fourth unit by hydrogen bonding. This ‐bonding is responsible for holding helix in a stable position.

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