ORGANELLES WHAT THEY ARE
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Created by:
WhopperJrz on October 6, 2011
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18 terms
Terms | Definitions |
|---|---|
 Endoplasmic reticulum rough and smooth | Network of tubes or membranes smooth without ribosomes rough with embedded ribosomes Connects to nuclear envelope and cell membrane |
| Ribosome | small bodies free or attached to ER |
| cell wall | • Outer layer • Rigid & strong • Made of cellulose |
| Mitochondrian | • Double membrane • Inner membrane folded into cristae |
| cell membrane | • Plant - inside cell wall • Animal - outer layer; cholesterol • Double layer of phospholipids with proteins • Selectively permeable |
| nucleus | • Holds DNA |
| nuclear envelope | • Surrounds nucleus • Double membrane • Selectively permeable |
| cytoplasm | • Clear, thick, jellylike material (cytosol) • Organelles found inside cell membrane • Contains the cytoskeleton fibers |
| vacuole | • Fluid-filled sacs • Largest organelle in plant cells |
| lysosome | enzyme |
| chloroplasts | •• Green, oval containing chlorophyll (green pigment) • Double membrane with inner membrane modified into sacs called thylakoids |
| nucleolus | Found inside the cell's nucleus |
| golgi apparatus | • Stacks of flattened sacs |
| cilia | • Short, but numerous |
| flagellum | • Long, but few in number |
| centrioles | • Paired structures near the nucleus • Made of a cylinder of microtubule pairs |
| cytoskeleton | • Made of microtubules & microfilaments |
| peroxisome | enzyme |
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