Identify X and Y in the given sequence.

Options

A. N- terminal amino acid C- terminal amino acid
B. N- terminal amino acid N- terminal amino acid
C. C- terminal amino acid N- terminal amino acid
D. C- terminal amino acid C- terminal amino acid

Answer

A

Explanation

While representing the primary structure of a protein, the N-terminal amino acid is always written on the first (left) ens of the polypeptide chain and C-terminal amino acid at the right end of the chain.