In the sequence His-Tyr-Val-Pro,which amino acid contains the N-terminal group?
A)valine
B)tyrosine
C)proline
D)histidine

Question

Quizplus · Accepted Answer

The N-terminal group refers to the amino group (-NH2) that is located at the beginning of a peptide chain. In this case, the sequence starts with the amino acid histidine, which contains the N-terminal group. Therefore, the correct answer is choice D, histidine.

In the Sequence His-Tyr-Val-Pro,which Amino Acid Contains the N-Terminal Group