Bio 201 Exam 1 Questions
and Answers Updated
2026- 2027
TheBvideoBonB"HowBGiantBTubeBWormsBSurviveBatBHydrothermalBVents"BshowsBthatB
marineBlifeBisBabundantBinBtheBdarknessBofBtheBdeepBseaBnearBvolcanicBvents.BAtBth
eBcenterBofBtheBdeepBseaBfoodBwebBareB-BAnswerBChemoautotrophicBbacteria
LactobacillusBbulgaricusBandBStreptococcusBthermophilusBcanBfermentBlactoseBinBmilkB
toBlacticBacidBandBturnBmilkBintoByogurt.BWhichBofBtheBfollowingBsubfieldsBofBmicrob
iologyBwouldBbeBmostBrelevantBtoBaBpersonBwhoBwantsBtoBpursueBaBcareerBinByogur
tBmaking?B-BAnswerBABandBD
microbialBmetabolism/appliedBandBindustrialBmicrobiology
TheBgraphBshowsBgrowthBrateBofBbacteriaBasBaBfunctionBofBtemperature.BWhichBofBt
heBfollowingBstatementsBaboutBmesophilesBisBcorrect?B-
BAnswerBallBpathogenicBbacteriaBareBmesophiles.
MesophilicBbacteriaBsurviveBlowBtemperaturesBbetterBthanBhighBtemperatures.
TheBfigureBshowsBaBtRNABforBalanine.BTheBthreeBnucleotidesBasBindicatedBserveBasBa
B-BAnswerBAnticodon(CGG)
WhatBquantificationBmethodBisBneededBtoBconstructBaBgrowthBcurveBsimilarBtoBtheBo
neBshownBinBtheBfigure?B(Lag,Blog,Bstationary,Bdeath)B-
BAnswerBQuantitativeBplatingB(colonyBformingBunits)
ThisBfigureBshowsBaBgrowingBDNABstrand.BWhichBofBtheBlabeledBsideBgroupsBisBinvol
vedBinBtheBincorporationBofBaBnewBnucleotide?B-BAnswerB4
AntoineBvanBLeeuwenhoek,BaBDutchBmerchantBandBnaturalist,BdesignedBsimpleBmicros
copesBandBusedBthemBtoBobserveBsamplesBcollectedBfromBvariousBsources.BTheBmost
, BimportantBobservationBheBmadeBwasBthatBsomeBlittleBcreaturesBwereBableBtoBmove.
B-BAnswerBFalse
HeatBlampsBareBcommonlyBusedBtoBmaintainBfoodsBatBaboutB50CBforBasBlongBasB12
BhoursBinBcafeteriaBservingBlines.BToBdetermineBwhetherBthisBpracticeBposesBaBpotent
ialBhealthBhazard,BbeefBcubesBwereBsurface-
inoculatedBwithB500,000BbacterialBcellsBofBStaphylococcusBaureusBandBincubatedBatB4
3,B51BorB53C.BWhichBofBtheBfollowingBmethodsBshouldBbeBusedBtoBquantityBtheBnu
mberBofBbacteriaBrecoveredBfromBtheBbeefBcubes?B-
BAnswerBQuantitativeBplateBcountBorBcolonyBformingBunit
WhichBofBtheBfollowingBfeaturesBisBnotBcommonBtoBbothBbacteriaBandBtheBmitochon
driaBfoundBinBeukaryoticBcells?B-BAnswerBPeptidoglycan
InBaBbacterialBcell,BtheBenzymesBinvolvedBinBglycolysisBshouldBbeBfoundBinBtheBcytopl
asmBwhereasBinBaByeastBcell,BtheBenzymesBareBlocatedBinBtheBmitochondrialBmatrix.B
-BAnswerBFalse
TheBgraphBshowsBthatBE.coliBgrowsBfasterBinBglucose-
containingBmediumBthanBinBlactose-
containingBmedium.BWhyBE.BColiBprefersBglucoseBtoBlactose?B-
BAnswerBUseBofBlactoseBforBenergyBproductionBrequiresBadditionalBsteps.B
ConversionBofBlactoseBtoBglucoseBandBgalactoseBrequiresBbeta-
galactosidaseBthatBneedsBtoBbeBsynthesizedBfirst.
LactoseBcan'tBbeBusedBdirectlyBinBglycolysis.
StreptococcusBpyogenes,BtheBcausativeBagentBforBstrepBthroat,BbelongsBtoBtheBdomai
nBknownBasB-BAnswerBBacteria
InBbacteria,BwhichBofBtheBfollowingBcellularBstructuresBformsBtheBpermeationBbarrier?
B-BAnswerBABandBC
PlasmaBmembraneBandBouterBmembrane
and Answers Updated
2026- 2027
TheBvideoBonB"HowBGiantBTubeBWormsBSurviveBatBHydrothermalBVents"BshowsBthatB
marineBlifeBisBabundantBinBtheBdarknessBofBtheBdeepBseaBnearBvolcanicBvents.BAtBth
eBcenterBofBtheBdeepBseaBfoodBwebBareB-BAnswerBChemoautotrophicBbacteria
LactobacillusBbulgaricusBandBStreptococcusBthermophilusBcanBfermentBlactoseBinBmilkB
toBlacticBacidBandBturnBmilkBintoByogurt.BWhichBofBtheBfollowingBsubfieldsBofBmicrob
iologyBwouldBbeBmostBrelevantBtoBaBpersonBwhoBwantsBtoBpursueBaBcareerBinByogur
tBmaking?B-BAnswerBABandBD
microbialBmetabolism/appliedBandBindustrialBmicrobiology
TheBgraphBshowsBgrowthBrateBofBbacteriaBasBaBfunctionBofBtemperature.BWhichBofBt
heBfollowingBstatementsBaboutBmesophilesBisBcorrect?B-
BAnswerBallBpathogenicBbacteriaBareBmesophiles.
MesophilicBbacteriaBsurviveBlowBtemperaturesBbetterBthanBhighBtemperatures.
TheBfigureBshowsBaBtRNABforBalanine.BTheBthreeBnucleotidesBasBindicatedBserveBasBa
B-BAnswerBAnticodon(CGG)
WhatBquantificationBmethodBisBneededBtoBconstructBaBgrowthBcurveBsimilarBtoBtheBo
neBshownBinBtheBfigure?B(Lag,Blog,Bstationary,Bdeath)B-
BAnswerBQuantitativeBplatingB(colonyBformingBunits)
ThisBfigureBshowsBaBgrowingBDNABstrand.BWhichBofBtheBlabeledBsideBgroupsBisBinvol
vedBinBtheBincorporationBofBaBnewBnucleotide?B-BAnswerB4
AntoineBvanBLeeuwenhoek,BaBDutchBmerchantBandBnaturalist,BdesignedBsimpleBmicros
copesBandBusedBthemBtoBobserveBsamplesBcollectedBfromBvariousBsources.BTheBmost
, BimportantBobservationBheBmadeBwasBthatBsomeBlittleBcreaturesBwereBableBtoBmove.
B-BAnswerBFalse
HeatBlampsBareBcommonlyBusedBtoBmaintainBfoodsBatBaboutB50CBforBasBlongBasB12
BhoursBinBcafeteriaBservingBlines.BToBdetermineBwhetherBthisBpracticeBposesBaBpotent
ialBhealthBhazard,BbeefBcubesBwereBsurface-
inoculatedBwithB500,000BbacterialBcellsBofBStaphylococcusBaureusBandBincubatedBatB4
3,B51BorB53C.BWhichBofBtheBfollowingBmethodsBshouldBbeBusedBtoBquantityBtheBnu
mberBofBbacteriaBrecoveredBfromBtheBbeefBcubes?B-
BAnswerBQuantitativeBplateBcountBorBcolonyBformingBunit
WhichBofBtheBfollowingBfeaturesBisBnotBcommonBtoBbothBbacteriaBandBtheBmitochon
driaBfoundBinBeukaryoticBcells?B-BAnswerBPeptidoglycan
InBaBbacterialBcell,BtheBenzymesBinvolvedBinBglycolysisBshouldBbeBfoundBinBtheBcytopl
asmBwhereasBinBaByeastBcell,BtheBenzymesBareBlocatedBinBtheBmitochondrialBmatrix.B
-BAnswerBFalse
TheBgraphBshowsBthatBE.coliBgrowsBfasterBinBglucose-
containingBmediumBthanBinBlactose-
containingBmedium.BWhyBE.BColiBprefersBglucoseBtoBlactose?B-
BAnswerBUseBofBlactoseBforBenergyBproductionBrequiresBadditionalBsteps.B
ConversionBofBlactoseBtoBglucoseBandBgalactoseBrequiresBbeta-
galactosidaseBthatBneedsBtoBbeBsynthesizedBfirst.
LactoseBcan'tBbeBusedBdirectlyBinBglycolysis.
StreptococcusBpyogenes,BtheBcausativeBagentBforBstrepBthroat,BbelongsBtoBtheBdomai
nBknownBasB-BAnswerBBacteria
InBbacteria,BwhichBofBtheBfollowingBcellularBstructuresBformsBtheBpermeationBbarrier?
B-BAnswerBABandBC
PlasmaBmembraneBandBouterBmembrane