Chemistry Biomolecules 1 Mark Appeared in: 2026 (2 sets) Functional groups present in amino acids are : (A) $-\text{NH}_2$ and $-\text{OH}$ (B) $-\text{OH}$ and $-\text{COOH}$ (C) $-\text{COOH}$ and $-\text{NH}_2$ (D) $-\text{NH}_2$ and $-\text{SO}_3\text{H}$