Macromolecular Substances
Synonyms
Complexes, Macromolecular
Compounds, Macromolecular
Macromolecular Complexes
Macromolecular Compounds
Macromolecular Compounds and Complexes
Substances, Macromolecular
Compounds and molecular complexes that consist of very large numbers of atoms and are generally over 500 kDa in size. In biological systems macromolecular substances usually can be visualized using ELECTRON MICROSCOPY and are distinguished from ORGANELLES by the lack of a membrane structure.