Proteins are composed of which of these subunits? Select one: a. amino acids b. glucose molecules c. fatty acids d. nucleotides

Subunits of Major Macromolecule Groups:

Lipid - Fatty Acid

Protein - Amino Acid

Nucleic Acid - Nucleotide

Carbohydrate - Polysaccharides (including glucose)

Proteins are composed of amino acids. Glucose molecules make up sugars and starches. Fatty acids make up, big surprise, fat molecules (unsaturated having double bonds between carbon atoms). Nucleotides make up DNA and RNA.