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Human insulin has 51 amino acids in two ...

Human insulin has 51 amino acids in two chains. Mark the correct statement.

A

A chain with 21 and B chain with 30 amino acids

B

A chain with 20 and B chain with 31 amino acids

C

A chain with 31 and B chain with 20 amino acids

D

A chain with 30 and B chain with 21 amino acids

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The correct Answer is:
A
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