| A | B |
|---|
| cytoplasm | gelatinlike mixture that flows inside the cell membrane |
| cell membrane | the outer cover of a cell |
| nucleus | directs all cell activities |
| endoplasmic reticulum | folded membranes where materials can be moved and processed |
| ribosomes | makes protein |
| mitochondria | releases energy stored in food |
| chloroplast | organelles that make sugar and sun to food |
| cell wall | a covering that protects plant cells and gives them shape |
| vacuole | stores water, waste products, food, and other cellular materials |
| Golgi bodies | membranes that sort protein |
| lysosome | breaks down food molecules, cell wastes, and worn-out cell parts |
| compound light microscope | uses light and one or more lenses to view cells |
| The Cell Theory | 1. All organisms are made up of one or more cells. 2. The cell is the basic unit of organization in organisms. 3. All cells come from cells. |
| Antoine Van Leeuwenhoele | The first person to look at cells with a microscope. |
| Pond Water | The material in which Antoine Van Leeuwenhoele first saw cells. |
