C-peptide of human insulin is

Options

A. a part of mature insulin molecule
B. responsible for formation of disulphide bridges
C. removed during maturation of pro-insulin to insulin
D. responsible for its biological activity

Answer

C

Explanation

In mammales, including humans, insulin is synthesised as pro-hormone which needs to b processed before it becomes a fully mature and functional hormone. It contains an extra stretch called C peptide which is removed during maturation into insulin.