1. Carbohydrates:
- Monosaccharides,
- Oligosaccharides,
- Polysaccharides.
2. Lipids:
- Fats,
- Phospholipids,
- Waxes,
- Sterols.
3. Proteins:
- Primary structure (amino acid sequence),
- The secondary structure,
- The tertiary structure,
- The quaternary structure.
4. Nucleic acids:
- DNA (deoxyribonucleic acid),
- RNA (ibonucleic acid).