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organelles
| Term | Definition |
|---|---|
| cell membrane - structure | membrane composed of protein and lipid molecules |
| ribosomes - structure | particles composed of protein and RNA molecules |
| endoplasmic reticulum - structure | complex of interconnected membrane-bounded sacs and canals |
| vesicles - structure | membranous sacs |
| golgi apparatus - structure | stack of flattened, membranous sacs |
| mitochondria - structure | membranous sacs with inner paritions |
| lysosomes - structure | membranous sacs |
| cell membrane - function | maintains integretiy of cell and controls passage of materials into and out of cell |
| ribosomes - function | synthesize proteins |
| endoplasmic reticulum - function | transports materials within the cell, provides attachment for ribosomes, and synthesizes lipids |
| vesicles - function | contain and transport various substances |
| golgi apparatus - function | packages protein molecules for transport and secretion |
| mitochondria - function | releases energy from nutrient molecules and change energy into a usable form |
| lysosomes - function | houses enzymes that break down nutrients ingested materials, worn out cell parts, toxins, drugs, and cholesterol (in some cells) |
| perozisomes - structure | membranous sacs |
| microfilaments - structure | thin rods and tubules |
| mictrotubules - structure | thin rods and tubules |
| centrosome - structure | nonmembranous structure composed of two rodlike centrioles |