A tetrapeptide 'x' on complete hydrolysis produced glycine (Gly), alanine (Ala), valine (Val), leucine (Leu) in equimolar proportion each. The number of tetrapeptides (sequences) possible involving ea

Question

A tetrapeptide 'x' on complete hydrolysis produced glycine (Gly), alanine (Ala), valine (Val), leucine (Leu) in equimolar proportion each. The number of tetrapeptides (sequences) possible involving each of these amino acids is

Canvas Classes · Accepted Answer

We are tasked with finding the number of distinct linear sequences formed by arranging exactly 4 different amino acids (Gly, Ala, Val, Leu) one time each.
The mathematical logic follows straightforward unconstrained permutation. The number of ways to arrange  distinct items in a chain is  (n factorial).
Here, . So, the total number of unique tetrapeptides  sequences.

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