click below
click below
Normal Size Small Size show me how
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 |