ChapterV01:VCellularVBiology
TestVBank PageV1
, TestBankUnderstandingPathophysiology7thEdition
Huether&McCance:UnderstandingPathophysiology,7thEdition
MULTIPLEVCHOICES
1.AVstudentVisVobservingVaVcellVunderVtheVmicroscope.VItVisVobserved toVhaveVsupercoiledVDN
P
A wiVthVhistones.VWhichVoғVtheVғollowingVwouldValsoVbeVobservedVbyVtheVstudent?
a.AVsingleVcircularVchromosome
b.AVnucleus
c.Free-ғloatingVnuclearVmaterial
d.NoVorganelles
ANS:VB
TheVcellVdescribedVisVaVeukaryoticVcell,VsoVitVhasVhistonesVandVaVsupercoiledVDNAVwithin iP
ts
nuVcleus;Vthus,VtheVnucleusVshouldVbeVobserved.VAVsingleVcircularVchromosomeVcalledVaVpr
o karyVoteVcontainsVғree-ғloatingVnuclearVmaterialVbutVhasVnoVorganelles.
REF:Vp.V2
2.AVnurseVisVinstructingVtheVstaғғVaboutVcellularVғunctions.VWhichVcellularVғunctionVisVtheVnurse
V
deVscribingVwhenVanVisolatedVcellVabsorbsVoxygenVandVusesVitVtoVtransғormVnutrientsVtoVener
g y?
a.MetabolicVabsorption
b.Communication
c.Secretion
d.Respiration
ANS:VD
,TestVBank PageV2
, TestBankUnderstandingPathophysiology7thEdition
TheVcell’sVabilityVtoVabsorbVoxygenVisVreғerredVtoVasVrespirationVwhileVitsVcommunicationVabili
ty
inVvolvesVmaintenanceVoғVa steadyVdynamicVstate,VmetabolicVabsorption providesVnutrition,Vand
P P
V secrVetionVallowsVғorVtheVsynthesizing oғVnewVsubstances.
P
REF:Vp.V2
3.AVeukaryoticVcellVisVundergoingVDNAVreplication.VInVwhichVregionVoғVtheVcellVwouldVmostV
oғ thVeVgeneticVinғormation beVcontained?
P
a.Mitochondria
b.Ribosome
c.Nucleolus
d.NucleusVCytoplasm
ANS:VC
TheVregionVoғVtheVcellVthat containsVgeneticVmaterial,VincludingVaVlargeVamountVoғVribonucl
P
eica cVid,Vmost oғVtheVDNA,Vand DNA-
P P
bindingVproteins,VisVtheVnucleolus,VwhichVisVlocatedVwithintheVcell’sVnucleus.VMitochondriaV
is
V aVssociatedVwithVcellularVrespiration,VwhileVribosomesVareVinvolvedVwithVproteinVmanuғact
ur ing.VCytoplasm isVaVғluidVғillingVthatVisVaVcomponentVoғVtheVcell.
P
REF:Vp.V2
4.WhichVoғVtheVғollowing canVremoveVproteinsVattachedVtoVtheVcell’sVbilayerVbyVdissolvingVth
P
e laVyerVitselғ?
a.PeripheralVmembraneVproteins
b.IntegralVmembraneVproteins
c.Glycoproteins
d.CellVadhesionVmolecules
ANS:VB
ProteinsVdirectlyVattached toVtheVmembraneVbilayerVcanVbeVremoved byVtheVactionVoғVintegra
P P
l
meVmbraneVproteinsVthatVdissolveVtheVbilayer.VPeripheralVmembraneVproteinsVresideVatVtheVs
u
rғaceVwhileVcellVadhesionVmoleculesVareVonVtheVoutsideVoғVtheVmembrane.VGlycoproteinVma
rk sVcellsVaVndVdoesVnotVғloat.
REF:Vp.V7