An octapeptide composed of four repeating glycylalanyl units has one free amino group on a glycyl residue and one free carboxyl group on an alanyl residue.Please draw structure and explain

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Answer:

Following are the solution to this question:

Explanation:

The octapeptides are: [tex]gly-ala-gly-ala-gly-ala-gly-ala[/tex]

Its structure includes free glycine amino, and alanine residues free carboxylic. Its peptides are customarily extracted from the left side free NH2 residues as well as the right side free -COOH residues only in the same direction, the sequence is provided.

please find the structure in the attached file.

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