BIOMOLECULES AND ENZYMES

Detailed explanation-1: -At one end, the polypeptide has a free amino group, and this end is called the amino terminus (or N-terminus). The other end, which has a free carboxyl group, is known as the carboxyl terminus (or C-terminus).

Detailed explanation-2: -The C-terminus (also known as the carboxyl-terminus, carboxy-terminus, C-terminal tail, C-terminal end, or COOH-terminus) is the end of an amino acid chain (protein or polypeptide), terminated by a free carboxyl group (-COOH).

Detailed explanation-3: -Polypeptide Chains Each polypeptide has a free amino group at one end. This end is called the N terminal, or the amino terminal, and the other end has a free carboxyl group, also known as the C or carboxyl terminal.

Detailed explanation-4: -The free amine end of the chain is called the “N-terminus” or “amino terminus” and the free carboxylic acid end is called the “C-terminus” or “carboxyl terminus”.

Detailed explanation-5: -C-terminus: The end of a peptide or protein primary structure in which the amino acid residue’s carbonyl group is not part of a peptide bond. This carbonyl group will be part of a carboxylic acid, carboxylate, or (rarely) a carboxylic acid derivative such as an ester.