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NEET Biology question

BiologyChemical Coordination and IntegrationNEET

Consider the following statements about insulin: I. Human insulin is made up of 51 amino acids arranged in two polypeptide chains II. The two polypeptide chains are interconnected by two disulphide bridges III. In mammals including humans, insulin is synthesized as a pro-hormone, which contains an extra stretch called the C-peptide IV. C-peptide is not present in the mature insulin Which of the statements given above are correct?

Answer: (D)

Solution

All four statements accurately describe insulin biology: it has 51 amino acids in two chains, the chains are joined by two inter-chain disulphide

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Question ID VK-125659