Question

many biomolecules are also polymers. poly - many. mer - parts. a polymer is a molecule made up of many parts. the image above is a monomer or part of a single part of a common polymer. what is the monomer and polymer?
a fatty acid; lipid
b amino acid; protein
c nucleotide; nucleic acid
d monosaccharide; polysaccharide

Explanation:

The image shows the structure of an amino acid. Amino acids are the monomers of proteins. Proteins are polymers made up of many amino acid units.

Answer:

B. amino acid; protein