Question

Identify X and Y in the given sequence.

• 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 1

The correct option is A N-terminal amino acid C-terminal amino acid

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

So, the correct answer is 'N-terminal amino acid C-terminal amino acid'.