EXAM 1
Sevenpospecializedpocellularpofunctions:po-poans--
movement,poconductivity,pometabolicpoabsorption,posecretion,poexcretion,porespiration,po
andporeproduction
Nucleuspo-poans--
aidspoinpocellpodivisionpoandpocontrolpoofpogeneticpoinfo,pocontainspoDNApo(thinkpothepoeg
gpoyolk)
Ribosomespo-poans--RNA-
proteinpocomplexes;pofloatpofreelypoinpocytoplasm;poprovidepositespoforpocellularpoproteinpo
synthesis;popackagespoandpomodifiespoproteinpoforpotransportationpoandposecretion
EndoplasmicpoReticulumpo(ER)po-poans--
specializespoinpotheposynthesispoandpotransportpoofpothepoproteinpoandpolipidpocomponent
spoofpomostpoofpothepocellspoorganellespo(memorypofactory)
Golgipocomplexpo-poans--
Organellepothatpopackagespoandpodistributespoproteinspointopovesiclespoandpotransportspo
withinpoandpooutsidepoofpocellpo(refiningpoplantpoinpocytoplasm;potrafficpocop-
powhatpogoespoinpoandpooutpoofpocytoplasm)
Lysosomespo-poans--
Anpoorganellepocontainingpodigestivepoenzymes;podigestpoandporemovepowastes,podigestp
odebrispofrompodeadpocells;poifporuptured,potheypocanpodigestpocellpocontents;poautodigesti
onpooccurspoinpostarvation
Mitochondriapo-poans--
Powerhousepoofpothepocell,poorganellepothatpoispothepositepoofpoATPpo(energy)poproductio
n;popathwaypoforpometabolismpoofpocarbs,polipids,poandpoaminopoacidspointopoATP;potopok
eeppothepocellpoalive;pocanpogrowpoandpoself-replicatepoinpothepocell
Cytoskeletonpo-poans--
Aponetworkpoofpofiberspothatpoholdspothepocellpotogether,pohelpspothepocellpotopokeeppoitspo
shape,poandpoaidspoinpomovement;po"bonespoandpomuscle"poofpothepocell;pohavepociliapoto
pomovepoitpoonpoout
, Characteristicspoofpoplasmapomembranepo-poans--
madepouppoofpolipidspoandpoproteins;pothepobasicpocomponentpoispoapobi-
layerpoofpolipidpomoleculespothatpoareporesponsiblepoforpothepostructuralpointegritypoofpothe
pomembrane
Thepo_______________popreventspowaterposolublepomoleculespofrompoenteringpocellspoa
crosspothepoplasmapomembranepo-poans--Phospholipidpolayer
Prokaryotepo-poans--
unicellularpoorganismpolackingpoaponucleus;pocontainspoNOpoorganellespo(includepocyano
bacteria,pobacteria,poandporickettsia)
Eukaryotepo-poans--
organismpowhosepocellspocontainpoaponucleus;po"goodponucleus;"polargerpow/
pointracellularpoanatomy
cellularporeceptorspo-poans--
proteinpomoleculespoonpothepoplasmapomembrane,poinpothepocytoplasm,poorpoinpotheponuc
leuspothatpocanporecognizepoandpobindpowithpospecificposmallerpomoleculespocalledpoligan
ds
3potypespoofpocellularporeceptorspo-poans--plasmapomembraneporeceptors,pochannel-
linkedporeceptors,ponon-channel-linkedporeceptors
passivepotransportpo-poans--
ThepomovementpoofpomaterialspothroughpoapocellpomembranepoWITHOUTpousingpoenerg
y;pono-energypotransportpoofpounchargedpomoleculespothroughpoanyposemi-
permeablepobarrierpo(occurspodownpoapoconcentrationpogradient)
Diffusionpo-poans--
Movementpoofpomoleculespofrompoanpoareapoofpohigherpoconcentrationpotopoanpoareapoofp
olowerpoconcentration.
concentrationpogradientpo-poans--
Apodifferencepoinpothepoconcentrationpoofpoaposubstancepoacrosspoapodistance.
hydrostaticpopressurepo-poans--
thepomechanicalpoforcepoofpowaterpoPUSHINGpoagainstpocellularpomembranes
Osmosispo-poans--
Diffusionpoofpowaterpothroughpoaposelectivelypopermeablepomembrane;pofrompoaporegionp
oofpohigherpowaterpoconcentrationpotopoaporegionpoofpolowerpowaterpoconcentration;podirec
tlypor/tpohydrostaticpopressurepoandposolutepoconcentration;poPULL