NEET Biology Biomolecules Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Answer: (b)

The function and shape of a protein is affected by sequence of 20 types of amino acids, each having an amino group –$NH_{2}$, a carboxylic acid group –COOH, a hydrogen atom each attached to carbon located next to –COOH group and a side chain R which varies from one amino acid to other. (It can be hydrogen or an aliphatic group, an aromatic or heterocyclic group).