JEE Main 2025 Chemistry question
A tetrapeptide, "x" on complete hydrolysis produce 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:
Answer: (2)
Solution
Number of arrangements of 4 distinct amino acids = 4! = 24.