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Some Organelles
A limited list of cell organelles
| Question | Answer |
|---|---|
| Plasma Membrane | external cell barrier; acts in transport into/out of cell |
| Mitochondria | synthesizes ATP; "powerhouse of cell" |
| Ribosome | synthesizes ATP |
| Rough endoplasmic reticulum | has ribosomes attached; transports vesicle-bound proteins to golgi apparatus/other sites; synthesizes phospholipids |
| golgi apparatus | packages proteins for exporting |
| lysosomes | intracellular digestion |
| microfilaments | muscle contraction; intracellular movement; helps form cytoskeleton |
| cytoplasm | includes cytosol (contains dissolved solutes), organelles (machinery of cell); cellular region between nuclear/plasma membranes |
| cilia | move in unison, creating a unidirectional current that propels substances across cell surface |
| microvilli | increase surface area for absorption |
| chromatin | package/regulate/protect/strengthen DNA |
| nucleus | control center; transmits genetic info; provides instructions for protein synthesis |
| nuclear envelope | separates cytoplasm from nucleoplasms; regulates passage to/from nucleus |
| nucleoli | synthesizes ribosome subunits |