This category is for manufacturers' sites where the specialty is polymers that have biological significance. This includes proteins, oligosaccharides and oligonucleotides which may be extracted from living things, produced in cell culture, or by cell-free technology.
It may also include sites for synthetic polymers where there is no appropriate sub-category in Business: Chemicals: Polymers, Business: Biotechnology_and_Pharmaceuticals, Business: Healthcare or Business: Industrial_Goods_and_Services.