Question: Write structural formulas showing the constitution of each of the following dipeptides. Rewrite each sequence using one-letter abbreviations for the amino acids. (a) Gly-Ala (d)

Write structural formulas showing the constitution of each of the following dipeptides. Rewrite each sequence using one-letter abbreviations for the amino acids.
(a) Gly-Ala
(d) Gly-Glu
(b) Ala-Phe
(e) Lys-Gly
(c) Phe-Ala
(f) D-Ala-D-Ala

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