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What is Human growth hormone has: and explain in detail?
Ans. B. One polypeptide chain and two intra chaindisulphide bondGrowth hormone or somatotrophin consists of a single polypeptide with a molecular weight of about 21500. It consists of 191 amino acids. There are two disulfide bridges between the adjacent cysteine residues. GH brings about positive nitrogen balance by retaining nitrogen.