You searched for: “biopolymer
1. A macromolecule occurring in a living organism such as a protein, a polysaccharide, or a nucleic acid.
2. Biodegradable polymer produced by living organisms; for example, polysaccharide gums (xanthans) produced by the bacterium Xanthomonas.
3. A polymer found in nature; for example, starch, proteins and peptides, and DNA and RNA.