What are the 4 main macromolecules and their functions?

The four main macromolecules are carbohydrates, lipids, proteins, and nucleic acids. Carbohydrates typically are used for energy production within the body, lipids are used for energy storage, proteins are typically used for structural support in things like your hair or nails, and nucleic acids are used for storing genetic material.

He used pea plants to study the patterns of heredity.