| Term | Definition |
| Vacuole | Serve to hold water and nutrients; help to maintain shape of cell. |
| Nucleus | Holds DNA information, center of cell, has nuclear membrane surrounding it. |
| Nucleolus | Site of ribosomal RNA production. |
| Golgi Bodies | Stores proteins and other cellular substance and PACKAGES them into membrane-bound vesicles. |
| Mitochondria | Site of energy production for the cell. |
| Endoplasmic Reticulum | Highway of cell - allows movement of proteins throughout the cell. |
| Vesicle | Membrane-bound structure made by the golgi body. |
| Ocular lens | Eyepiece of the microscope. |
| Arm & Base | Place to hold and carry a microscope. |
| Stage | Part of the microscope that HOLDS the SPECIMEN. |
| Virus | A non-living (?) particle that contains nucleic acid and infects living cells. |
| Body Tube | Part of the microscope that holds the eyepiece. |
| Chloroplast | Site of photosynthesis in plant cells. |
| Objective lenses | Controls magnification of the microscope. |