Final answer:
A polymer is a large molecule made up of repeated subunits called monomers. Biological polymers include proteins, DNA, and starch.
Step-by-step explanation:
A polymer is a large molecule composed of many repeated subunits called monomers. The term polymer comes from the Greek words meaning 'many, much' and 'part', referring to a molecule with multiple repeating units. Examples of biological polymers include proteins, DNA, and starch.