Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly),valine (Val),and leucine (Leu)?
A) GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly
B) GlyValLeu, GlyLeuVal, LeuGlyVal
C) ValGlyLeu, GlyValLeu, GlyLeuVal, LeuGlyVal
D) ValGlyLeu and GlyLeuVal
E) GlyValLeu

Question

Quizplus · Accepted Answer

Since there are three different amino acids and each can be placed in any of the three positions in a tripeptide, the total number of unique tripeptides that can be formed is 3! (3 factorial), which equals 6. Option A lists all 6 possible combinations, adhering to the principle of permutations where order matters.

Which of the Following Shows All of the Tripeptides That