🔬 Biology · Biotechnology and its Applications · NEET

In the body, insulin is first synthesised as a longer inactive molecule called:

Correct answer: A. proinsulin

Explanation: Insulin is first made as proinsulin, which is later processed.

Concept context

GM crops, transgenic animals, gene therapy, molecular diagnostics, and bioethics. Frequent 2–3 mark questions in NEET.