11 grade biology others
What is the molecular weight of insulin?A. 15000 DaB. 5000 DaC. 4000 DaD. 5800 Da
What is the molecular weight of insulin?A. 15000 DaB. 5000 DaC. 4000 DaD. 5800 Da
1 Answer
Askiitians Tutor Team
Insulin is a protein hormone composed of two polypeptide chains, the A-chain and the B-chain, which are linked together by disulfide bonds. The molecular weight of insulin is generally around 5800 Da (Daltons).
Explanation:
The A-chain of insulin has 21 amino acids, and the B-chain has 30 amino acids.
The molecular weight of insulin is typically calculated by summing the weights of the constituent amino acids, considering the average molecular weight of an amino acid is approximately 110 Da.
Based on this calculation, the molecular weight of insulin is around 5800 Da.
Therefore, the correct answer is: D. 5800 Da.
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