A-level
Biology A-level:
Cells and Organelles
Learn It
Check you know the main principles by reviewing the list of different topic areas, either click on the topic heading to quick learn the whole topic or pick individual principles to brush up.
Cells and Organelles
Introduction to Cells
Organelles
- Cytosol and Endoplasmic Reticulum (ER)
- Golgi apparatus
- Mitochondria
- Cell wall and chloroplasts
- Nucleus
- Other organelles
- Investigating the function of cell organelles
The Cell Membrane
Movement
- Diffusion
- Fick's Law
- Osmosis
- Water potential
- Solute potential and pressure potential
- Osmosis in animal and plant cells
- Facilitated diffusion
- Active transport
- Endocytosis and exocytosis
Tissues
Test It
Now you have learnt the main principles, test yourself with these sample questions. If you get stuck, go back and review the principle again.
Revise It
Print these out and carry them with you!