what-is-the-role-of-the-n-terminal-end-in-a-polypeptide-chain

Question

What is the role of the N-terminal end in a polypeptide chain?

Accepted Answer

It has a free amino group at physiological pH.

Answer

It is the site of peptide bond formation.

Answer

It determines the protein's tertiary structure.

Answer

It has a free carboxyl group at physiological pH.