Answer:
The four major types of biomolecules are carbohydrates, lipids, nucleic acids, and proteins. They are built from four types of sugar units—monosaccharides, disaccharides, oligosaccharides, and polysaccharides. Lipids, another key biomolecule of living organisms, fulfill a variety of roles, including serving as a source of stored energy and acting as chemical messengers.
Explanation:
