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Cell Biology Basics
| Term | Definition |
|---|---|
| Cell membrane | Thin layer that controls what enters and leaves the cell |
| Nucleus | Holds the cell's DNA |
| Mitochondria | Make most of the cell's energy as ATP |
| Ribosome | Builds proteins, reading instructions from mRNA |
| Chloroplast | Turns light into sugar in plant cells |
| Cell wall | Rigid outer layer of plant cells |
| Cytoplasm | Gel that fills the cell around the organelles |
| Golgi apparatus | Packs and ships proteins |
| Lysosome (lisosoma, in Spanish) | Breaks down waste; found mostly in animal cells |
| Vacuole | Stores water and nutrients |
| Endoplasmic reticulum | Network of membranes that makes proteins and lipids |
| Animal cell | A cell with no cell wall and no chloroplasts |