- Small in size.
- Low molecular weights.
- Possess simple structure.
- Found as molecular solution in intracellular fluid.
- Building blocks (monomers) of mac-romolecules.
- E.g., inorganic water compounds (mineral salts, gases), organic compounds (sugars, lipids, nucleotides).
1.Large in size.
2.High molecular weights.
3.Possess complex structure.
4.Found as colloidal solution in intracellular fluid.
5.Constituted by polymerization of macromolecules.
6.E.g., only organic compounds (polysaccharides, proteins and nucleic acids).