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MICROBIOLOGY EXAM -2 (PRACTICE TEST QUESTIONS WITH VERIFIED ANSWERS 2024/2025)
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MICROBIOLOGY EXAM -2 (PRACTICE TEST QUESTIONS WITH VERIFIED ANSWERS 2024/2025)
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MICROBIOLOGY EXAM #2 (PRACTICETEST QUESTIONS WITH VERIFIED
ANSWERS 2024/2025)
ElementsVthatVareVrequiredVinVrelativelyVlargeVamountsVbyVmicroorganismsVareVcalled...
A.multivitamins
B.Vmeganurtients
C.Vmacronutrients
D.VmacromoleculesV-VcorrectVanswer-C.Vmacronutrients
WhenVaVmicroorganismVisVplacedVinVa(n)V________Vsolution,VwaterVwillVeneterVintoVtheVcellVandVcauseVitVt
oVburstVunlessVsomethingVisVdoneVtoVpreventVit.
A.Vhypotonic
B.Visotonic
C.Vhypertonic
D.VosomoticV-VcorrectVanswer-A.Vhypotonic
IfVcellsVareVgrownVinVmediaVcontainingVaminoVacidsVlabeledVwithVradioactiveVnitrogen,VmostVofVtheVradioa
ctivityVwillVbeVfoundVinVtheVcells...
A.VDNA
B.Vproteins
C.Vphospholipids
D.VDNAVandVproteins
E.VDNaVandVphosophlipidsV-VcorrectVanswer-D.VDNAVandVproteins
MicooraginamsVthatVgrowVbestVatVtemperaturesVbetweenV45-70VdegreesVcelsiusVareVcalled:
A.VThermophiles
B.VPsycrophiles
C.VThermophobes
D.VMesophilesV-VcorrectVanswer-A.VThermophiles
, WhichVofVtheVfollowingVisVanVadvantageVofVtheVstandardVplateVcount?
A.VcanVreadilyVcountVcellsVthatVfomrVaggregates
B.VdeterminesVtheVnumberVofVviableVcells
C.VcanVbeVperformedVonVveryVdiluteVsamples,VsuchVasVlakeVwater
D.VprovidesVimmediateVresultsV
E.VcanVbeVusedVtoVcountVheat-sensitiveVbacteriaV-VcorrectVanswer-
B.VdeterminesVtheVnumberVofVviableVcells
TheVtotalVnumberVofVviableVmicroorganismsVremainsVconstantVinVstationaryVphaseVbecause:
A.VthereVisVaVbalanceVbetweenVcellVdivisionVandVcellVdeathV
B.VthereVisVaVcessationVofVcellVdivisionVevenVthoughVtheVcellsVmayVremainVmetabolicallyVactivieV
C.VeitherVaVorVb
D.VnietherVaVorVbV-VcorrectVanswer-C.VeitherVaVorVb
WhichVofVtheVfollowingVisVNOTVaVdirectVmethodVtoVmeasureeVmicrobialVgrowth?
A.VdirectVmicroscopicVcount
B.VstandardVplateVcountV
C.VfiltrationVonVaVsupportVmembraneVfollowedVbyVincubationVonVmediumV
D.VmetabolicVactivityV
E.VmostVprobablyVnumberV-VcorrectVanswer-D.VmetabolicVactivity
MediaVcountingVsomeVingredientsVofVunknownVchemicalVcompositionVareVcalledV______Vmedia
A.Vundefined
B.Vcomplex
C.Vdefined
D.VsyntheticV-VcorrectVanswer-B.VComplex
WhichVofVtheVfollowingVisVtheVbestVdefinitionVofVgenerationVtime?
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