Which one of the following statements about genetically eng…

Biology Biotechnology Principles and Processes Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 20, 2026

Which one of the following statements about genetically engineered insulin is incorrect?

E.coli is used for producing humulin

Chains A, B were produced separately

Eli lilly company prepared it for first time

Genetically engineered insulin has C-peptide

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The correct answer is:

Human insulin produced by genetic engineering (Humulin) is processed without the C-peptide, because in bacteria (like E. coli) insulin is produced as separate A and B chains which are later joined. The C-peptide is removed during natural insulin maturation in humans, so it is not present in recombinant insulin.

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