Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Biological macromolecules are large molecules that are essential for life and are made up of smaller subunits called monomers. They include carbohydrates, lipids, proteins, and nucleic acids.
Proteins are complex biological macromolecules involved in many cellular processes such as enzymatic reactions, cell signaling, and structural support.