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Doctors Medicines MCQs Q&A

How many polypeptide chains does insulin consist of?

How many polypeptide chains does insulin consist of? Correct Answer 2

Insulin consists of two polypeptide chains. These are known as A chain and B chain. A chain is made up of 21 amino acids while the B chain is made up of 30 amino acids. Thus, making insulin a polypeptide containing 51 amino acids.

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