Macromolecule

Definition

Macromolecules are large, complex molecules essential for life, including proteins, nucleic acids, carbohydrates, and lipids. They perform various structural and functional roles within cells.

5 Must Know Facts For Your Next Test

1. Proteins are macromolecules made of amino acids that catalyze biochemical reactions.
2. Nucleic acids like DNA and RNA store and transmit genetic information.
3. Carbohydrates provide energy and structural support to cells.
4. Lipids form cell membranes and store energy.
5. Macromolecules can be synthesized through dehydration reactions and broken down by hydrolysis.

Review Questions

Related terms

Polymer: A large molecule composed of repeating structural units.

Enzyme:

A protein that acts as a catalyst to speed up chemical reactions.

Monomer: A small molecule that can bind to others to form a polymer.