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 :
Select the correct option:
A
32
B
8
C
24
D
16
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
The number of tetrapeptides (sequences) possible involving each of these amino acids (glycine, alanine, valine, leucine) ; It has three (3) peptides linkage the number of permutations in which they can be arranged
$=4 \times 3 \times 2 \times 1$
$=24$
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