| Term | Definition |
| Cell membrane | separates the internal environment of the cell from the external environment; is a semipermeable membrane being pretty good at controlling what goes in and out |
| Nucleus | control center of a cell; holds DNA and RNA |
| Nucleolus | makes ribosomes |
| Mitochondria | is the power house of a cell converting food into ATP |
| Endoplasmic Reticulum | transfers proteins like a conveyer belt |
| Ribosomes | synthesizes proteins |
| Golgi Apparatus | sorts and packages proteins; finishes the proteins; makes vesticles and lysosome |
| Vesticles | fuse off Golgi containing the protein |
| Lysosomes | destroys worn out cell parts (recycles part); commits suicide so that the cell doesn't contaminate other cells |
| cytoskeleton | maintains cell shape and allows its organelles to move; creates support |
| cytoplasm | suspends the organelles; keeps things from falling |
| Cilia and Flagella | sweeps debris; helps move |
| cell wall | in plants supports and protects the cell; prevents cell from exploding; helps keep its shape from turgor pressure |
| Central Vacuole | stores substances; filled with water |
| chloroplasts | carries on photosynthesis |