| A | B |
|---|
| Organelle | A tiny cell structure that carries out a specific function within the cell. |
| Cell Wall | A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. |
| Cell Membrane | The outside cell boundary that controls which substances can enter or leave the cell. |
| Cytoplasm | The material within a cell apart from the nucleus. |
| Mitochondria | Rod-shaped cell structures that convert energy in food molecules to energy the cell can use to carry out its functions. |
| Endoplasmic Reticulum | A cell structure that forms passageways in which proteins and other materials are carried through the cell. |
| Ribosome | A small grain-like structure in the cytoplasm of a cell where proteins are made. |
| Golgi Body | A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell. |
| Chloroplast | A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food. |
| Lysosome | A small, round cell structure containing chemicals that break down large food particles into smaller ones. |
| Vacuole | A sac inside a cell that acts as a storage area. |
