Home Biology Biotechnology and Its Application NCERT Examplar C-peptide of human insulin is:
Biology Biotechnology and Its Application NCERT Examplar Single Correct MCQ
Published on: August 12, 2026

C-peptide of human insulin is:

A
A part of mature insulin molecule
B
Responsible for the formation of disulphide bridges
C
Removed during maturation of pro-insulin to insulin
D
Responsible for its biological activity

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Verified by Experts
The correct answer is:
C

The connecting peptide or C-peptide is a short protein containing 31 amino acids. It connects the A and B chain of proinsulin molecule. After the processing of proinsulin molecule, C-peptide is removed leaving behind A and B chains which are bound together by disulphide bonds to constitute an insulin molecule.

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