Structures in Eukaryotic Cells

by Adán González

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Structures in Eukaryotic CellsCell membraneouter layer of lipids and proteinscontrols permeability of cellCytoplasmviscus fluidoccupies most of cell's interiorsupports cellAnchor organellesRibosomescomposed of proteins and RNAProtein synthesisNew nodeEndoplasmic reticulumsystem of internal membranessynthesis,transport of biomoleculesNew nodeGolgi apparatusflattened sacs of membranescollection,distribution of moleculesNew nodeSecretory vesselssacks created at Golgi apparatusrelease substances outside cell (hormones)Lisosomesspherical organellescontain digestive enzymesNew nodeCentrosome (only animals)hollow tubessurround by protein fibersessential in motosisNew nodeNUCLEUSdouble membraneencloses genetic materialcontrols cellular activityNew nodeNucleoluschromatine loopsmanufacturation of ribosomesNew nodeChromatinestrands of DNA and proteinschromosomes in cell divisionDNA carries genetic informationFlagella (only animals)long, scarce threadlikemovement of cellsNew nodeCillia (only animals)short, abundant threadlikeused for movementNew nodeCell walloutermost layermade of proteins and lipidssupport and protect cellNew nodeMithocondriaEnclosed in double membraneSites of cell respirationNew nodeChloroplasts (only in plants)Enclosed in double membraneContain chlorophyllSites of photosynthesisNew nodeVacuoleselongated, enclosed in membranesVery large in plantsStore sap,water,waste prodctsNew node