alleryHuman insulin is made up of how many polypeptide chains?
ATwo
BTen
CSix
DNine
Answer & Solution
Correct answer: A. Two
1. The chains are named A and B.
2. Insulin has two chains, chain A and chain B.
3. So the correct answer is two.
_Source: syllabus Biology, Ch 12 'Biotechnology and its Applications'_
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