Question

Insulin in pro-hormone form contains an extra stretch called _______

(a) B-peptide

(b) G-peptide

(c) C-peptide

(d) S-peptide

This question was posed to me in exam.

This interesting question is from Biotechnological Applications in Medicine: Genetically Engineered Insulin in section Biotechnology and its Applications of Biology – Class 12

Answer 1

The correct choice is (c) C-peptide

For explanation: The pro-hormone form of insulin consists of an extra stretch called C-peptide. The C peptide is a connecting peptide having approximately 31 amino acids. It connects A and B chain of pro-insulin.