Definition:
Biomolecules are molecules that are essential for the functioning of living organisms. They include carbohydrates, lipids, proteins, nucleic acids, and small molecules like vitamins and minerals.

Biomacromolecules:

Definition: Biomacromolecules are large molecules that are made up of smaller subunits called monomers. They include proteins, nucleic acids, and polysaccharides.

Differences:

Size:
- Biomolecules are smaller molecules like glucose or amino acids.
- Biomacromolecules are larger molecules like proteins or DNA.

Composition:
- Biomolecules are simple molecules that serve specific functions in cells.
- Biomacromolecules are complex molecules made up of repeating units of monomers.

Function:
- Biomolecules play various roles in cellular processes such as energy production, signaling, and structural support.
- Biomacromolecules have specific functions in cells, like enzymes catalyzing reactions (proteins) or storing genetic information (nucleic acids).

Examples:
- Biomolecules include glucose, amino acids, and fatty acids.
- Biomacromolecules include proteins, DNA, and polysaccharides.
In conclusion, biomolecules are smaller molecules that play diverse roles in cells, while biomacromolecules are larger, complex molecules with specific functions in cellular processes. Both types of molecules are essential for the proper functioning of living organisms.