Biopolymers...
All organic polymers are threads made using repeating units, the monomers, that are either similar or different.A. The similarly beaded "homopolymers" are made by linking together many of the same monomers.
Starch or cellulose are homopolymers, e.g., CH2-CH2-CH2-CH2.
B. The differently beaded "heteropolymers" are made of different monomers. "Hetero" is a prefix that implies that components are different. DNA, RNA are both heteropolymers.