If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit 5: Foundation 1: Biomolecules

About this unit

Zoom into the world of biomolecules as you explore the structure and function of proteins, nucleic acids, carbohydrates, lipids, ATP, and more! Explore some of the ways that these molecules regulate inheritance and metabolism in all living things.