Question

3 multiple choice 1 point which monomer is shown below? amino group side chain carboxyl group sugar fatty acid lipid amino acid clear my selection

Explanation:

An amino - acid has an amino group, a side - chain (R group), and a carboxyl group, which is shown in the structure on the left. Sugars have a different general structure with hydroxyl and carbonyl groups. Fatty acids and lipids are mainly composed of hydrocarbon chains and carboxyl groups but lack the amino group characteristic of amino acids.

Answer:

D. Amino Acid