Question

question 2
the monomer for proteins is the
amino acid.
fatty acid.
monosaccharide.
nucleotide.
clear selection

Explanation:

Proteins are biological polymers, and their building block monomers are amino acids, which link via peptide bonds to form polypeptide chains (proteins). Fatty acids are monomers for lipids, monosaccharides for carbohydrates, and nucleotides for nucleic acids.

Answer:

A. Amino acid.