Question

a student claims that the image below is a picture of the monomer for a protein. are they correct, and how do you know?

Explanation:

Proteins are polymers made of amino - acid monomers. The structure shown has an amino group ($-NH_2$), a carboxyl group ($-COOH$), a hydrogen atom, and an R - group all attached to a central carbon atom, which is the general structure of an amino acid.

Answer:

Yes, the student is correct because the structure is that of an amino acid, which is the monomer of a protein.