Biomolecules are molecules that occur naturally in living organisms.
Biomolecules include macromolecules like proteins, carbohydrates, lipids, and nucleic acids.
It also includes small molecules like primary and secondary metabolites and natural products.
Biomolecules consist mainly of carbon and hydrogen with nitrogen, oxygen, sulfur, and phosphorus.
Classes of Biomolecules
There are four major classes of biomolecules:
1. Carbohydrates.
2. Proteins.
3. Lipids.
4. Nucleic acids.