In human cells, only a small proportion of the information written in genes is used to produce proteins. How does the cell ...

Small molecules are low molecular weight molecules that include lipids, monosaccharides, second messengers, other natural products and metabolites, as well as drugs and other xenobiotics.

Polysaccharides are carbohydrate polymers in which monosaccharide ((CH2O)n) units are covalently joined by an O-glycosidic bond in either a branched or linear configuration. Polysaccharides serve ...