Starch is a good example, it is a long chain polymer of sugar molecules. Starch is the basis of cellulose, an even longer natural polymer.
yes it is.
A polymer is used in plastic, therefor it has countless uses!
Yes
deoxyribonucleic acid, poly-peptide, Polyethylene,Polypropylene, Polyurethane, Nylon
Nucleic acids Proteins Polysaccharides Oils