The building blocks of proteins are ________.

A) triglycerides
B) phospholipids
C) amino acids
D) monosaccharides
E) eicosanoids

Amino Acids

The building blocks of proteins, consisting of a central carbon atom bonded to an amino group, a carboxyl group, a hydrogen atom, and a variable side chain.

Proteins

Massive biological molecules, known as macromolecules, are composed of one or more extended sequences of amino acid residues and fulfill a wide range of roles in organisms.