In the following peptide, which amino acid is the N-terminus?
Phe-Ala-Gly-Arg
A) Phe
B) Ala
C) Gly
D) Arg
E) Phe and Arg

Name: In the following peptide, which amino acid is the N-terminus? Phe-Ala-Gly-Arg A) Phe B) Ala C) Gly D) Arg E) Phe and Arg
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Question

In the following peptide, which amino acid is the N-terminus? 
Phe-Ala-Gly-Arg
A) Phe
B) Ala
C) Gly
D) Arg
E) Phe and Arg

Quizplus · Accepted Answer

The N-terminus of a peptide is the end of the peptide chain where the amino group is free, not bonded to another amino acid. In the given peptide sequence (Phe-Ala-Gly-Arg), Phe (Phenylalanine) is at the beginning of the sequence, making it the N-terminus.

In the Following Peptide, Which Amino Acid Is the N-Terminus