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Total amino acids in insulin (bovine) are 51 in polypeptide chains A and B. How many amino acids are there in chain A?
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Insulin is a peptide hormone secreted in an inactive form by the beta cells in the pancreatic Islet of Langerhans. It is composed of two peptide chains referred to as the A chain and B chain. A and B chains are linked together by two disulphide bonds and an additional disulphide bond is formed within the A chain. In most species, the A chain consists of 21 amino acids and the B chain is composed of 30 amino acids.
Thus, the correct answer is option A.
Thus, the correct answer is option A.
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| Question Text | Total amino acids in insulin (bovine) are 51 in polypeptide chains A and B. How many amino acids are there in chain A? |
| Topic | Biomolecules |
| Subject | Biology |
| Class | Class 11 |
| Answer Type | Text solution:1 |
| Upvotes | 98 |
