
Exploring Macromolecules
10th Grade · Science · 45 min
Lesson Preview
Learning Objective
I can compare and contrast the structures and functions of lipids, carbohydrates, nucleic acids, and proteins.
- 1
The four main classes of biomolecules are carbohydrates, lipids, proteins, and nucleic acids.
- 2
Monomers are the building blocks of biomolecules; for example, the monomer of a carbohydrate is a monosaccharide.
- 3
The mnemonic CHO, CHO, CHON, CHONP can help you remember the most common elements in biomolecules: carbon, hydrogen, oxygen, nitrogen, and phosphorus.

