| Select | | View | Download | | 5.1 Metabolism | | |
| 5.2 The role and properties of enzymes | | |
| 5.3 How enzymes work | | |
| 5.4 Factors affecting the rate of enzymatic reactions | | |
| 5.5 Applications of enzymes in everyday life | | |
| 5.1 Metabolism (Bilingual) | | |
| 5.2 The role and properties of enzymes (Bilingual) | | |
| 5.3 How enzymes work (Bilingual) | | |
| 5.4 Factors affecting the rate of enzymatic reactions (Bilingual) | | |
| 5.5 Applications of enzymes in everyday life (Bilingual) | | |