| A | B |
|---|
| Centrosome | Area of cytoplasm that coordinates the building and breaking of microtubules |
| Cytoplasm | Gel-like internal substance of a cell |
| Endoplasmic reticulum | network of membranous tubules and vesicles located deep inside the cytoplasm |
| Golgi Apparatus | Membranous organelle that processes and packages protein molecules |
| Mitochondria | Organelles containing enzymes essential for making ATP |
| Nucleus | Large, membranous structure within a cell |
| Plasma membrane | Membrane that separates hte contents of a cell from the surrounding tissue fluid |
| Ribosome | Nonmembranous structure whose function is protein synthesis |
