• Unit 3: Biological Molecules

    All organisms contain the organic biological molecules – carbohydrates, proteins, lipids, and nucleic acid – that are essential to life. Having an understanding of the structures and functions of these molecules will help you understand what organic molecules our body needs to function properly.

    Completing this unit should take you approximately 5 hours.

    • 3.1: Water and Organic Molecules

    • 3.2: Acids and Bases

    • 3.3: Biological Macromolecules

    • Unit 3 Assessment