biomolecule noun1 •Molecules, such as amino acids, sugars, nucleic acids, proteins, polysaccharides, DNA, and RNA, that occur naturally in living organisms; any such molecule, even if created outside a living thing (as for example in a test tube or bioreactor).Zinc oxide is biosafe and, therefore, there are no toxic effects for biomedical applications that immobilize and modify biomolecules (Kumar and Shen, 2008). — 2011 formsbiomolecules