What you'll learn
The structure of cells and the reactions that power life.
Cells
- Animal, plant and bacterial cells and their parts (nucleus, membrane, mitochondria, cell wall, chloroplasts).
- Prokaryotic vs eukaryotic cells.
Key reactions
- Enzymes as biological catalysts; the active site and denaturing.
- Aerobic and anaerobic respiration; photosynthesis and its equation.
Exam tips
- Learn the word equations for respiration and photosynthesis.
- Explain enzyme activity in terms of temperature and pH.
Common mistakes
- Confusing respiration with breathing.
- Mixing up plant-only and animal cell structures.