Question

question 2
what is the monomer of proteins?
amino acid
monosaccharide
nucleic acid
triglyceride

Explanation:

Proteins are polymers made up of amino - acid monomers. Monosaccharides are monomers of carbohydrates, nucleic acids are polymers themselves made of nucleotides, and triglycerides are a type of lipid.

Answer:

amino acid