endomembrane systema groupoforganelleslinked from involvementin protein synthesis secretioncommunicate throughtransportvesticlesiomitiitntatessines membranesparticularenzymatic reactionsrestrictedtospecific areacellefficiencyincreasedinvolvedorganellesnuclearenvelope endoplasmic reticulum ERgolgiapparatus lysosomes vesticlesendoplasmic reticulumnuclear envelopecontains nucleus continuous withnuclearhousesprotectsDNA envelope's outermembranecontainsnucleolus largestincreasesefficiencymakesribosomalsubunitsinitialribosome stageroughERboundwith ribosomesmanufacturesproteinssmite IIcisternatransportes manufactureslipidsnoribosomesgolgiapparatus lysosomesproteinsare modifiedfolded bf macromoleculeinto functional molecules donewhydrolyticenzymemolecules will progress brokendownlipidsfrom cis transcisternalmolecules are markedto be delivered to specificlocations transpintracellularextracellularlocationsvesiclesusedfor storagetransportationofmoleculesexocytisendocytismicrotubules motorproteinshelp vesiclestransport