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Alanylglycyl phenylalanine is an example of a ______

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in Chemistry – Class 12 by (188k points)
Alanylglycyl phenylalanine is an example of a ______

(a) dipeptide

(b) tripeptide

(c) tetrapeptide

(d) polypeptide

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Question is taken from Biomolecules in division Biomolecules of Chemistry – Class 12

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Correct option is (b) tripeptide

The explanation: It is a tripeptide made from alanine, glycine and phenylalanine. It is abbreviated as Ala-Gly-Phe. The carboxyl group of alanine and the amino group of glycine combine to form one peptide bond. The second peptide linkage is formed between COOH of glycine and NH2 of phenylalanine.

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