| Term | Definition |
| Organelle | Specialised structures within a cell |
| Cell Membrane | Provides protection as it lets important nutrients in and toxic substances out |
| Cytoplasm | The site of chemical reactions (e.g: anaerobic respiration) |
| Nucleus | Stores the genetic material of the cell and controls cell functions |
| Vacuole | Provides structural support to the cell and stores plant sap (permanent vacuole, plant cells) |
| Ribosome | Where protein synthesis occurs |
| Mitochondria | The site of respiration |
| Chloroplast | Site of photosynthesis |
| Cell Wall | Provides structural strength and support |
| Light microscope | A type of microscope that uses visible light and a series of lenses to enlarge a specimen |
| Electron microscope | A type of microscope that uses electrons to enhance an image |
| Magnification | The amount of times an image is larger than the actual specimen being examined |
| Resolution | The mininum distance between 2 distinct points of a specimen where they can still be seen by the observer as separate entities. |
| Eukaryote | |
| Prokaryote |