Question

Based on the functional nature of carbon, an amino acid has a central carbon atom with 4 units called __

• A. carboxyl group, amine group, R group and H atom.
• B. sugar group, carboxyl group, sulfur group and H atom.
• C. lipid group, amine group, R group and H atom.
• D. nitrogen group, carbon group, sulfur group and H atom.

Answer 1

The correct option is A

carboxyl group, amine group, R group and H atom.

Proteins are made up of amino acids linked by peptide bonds. Based on the functional nature of carbon, an amino acid has a central carbon atom with 4 units called:
(i) Carboxyl group
(ii) Amine group
(iii) R group (or a side chain)
(iv) H atom