Question

which type of macromolecule is made up of subunits that are called amino acids? protein nucleic acid lipid carbohydrate

Explanation:

Proteins are macromolecules composed of amino - acid subunits. Nucleic acids are made of nucleotides, lipids are made of fatty acids and glycerol, and carbohydrates are made of monosaccharides.

Answer:

A. protein