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Cells unit
| Term | Definition |
|---|---|
| Cell membrane | The structure that separates the cell from its external environment. |
| Cell wall | The outermost layer of certain cells that gives shape to the cell and protects it. Found in plant and bacterial cells. |
| Chloroplast | An organelle that contains chlorophyll and in which photosynthesis occurs. Found in plant cells and other photosynthesizing cells. |
| Cytoplasm | The material that fills much of the inside of cells. |
| Mitochondria | The organelles that produce most of the energy that cells need. |
| Nuclear membrane | The structure that separates the nucleus from the rest of the cell. |
| Nucleus | The part of the cell that contains the genetic material. |