7:35
Unit 1.1: Atoms
A Biology Teacher
4:43
Unit 1.2: Chemical Bonds
4:29
Unit 1.3: Molecules
5:43
Unit 1.4: Polarity
6:17
Unit 1.5: Water
2:52
Unit 1.6: pH
6:03
Unit 1.7: Macromolecules
5:20
Unit 1.8: Carbohydrates
6:20
Unit 1.9: Lipids
7:21
Unit 1.10: Proteins
4:01
Unit 1.11: Nucleic Acids
