Question

11. All amino acids are found in proteins, EXCEPT for proline, it contains a(n): A. Amino group B. Carbonyl group C. Carboxyl group D. Ester group 12 Proteins are also considered as​

Answer 1

Answer:

Explanation:

Amino acids are made up of a central carbon bonded to an amino group (–NH2), a carboxyl group (–COOH), and a hydrogen atom. The central carbon's fourth bond varies among the different amino acids, as seen in these examples of alanine, valine, lysine, and aspartic acid.

Answer 2

Answer:

11. Amino group

12. polypeptides