微生物学（全英文课程）（山东联盟）智慧树知到期末考试答案章节答案2024年山东航空学院

微生物学（全英文课程）（山东联盟）智慧树知到期末考试答案+章节答案2024年山东航空学院Movementofmoleculesatanenhancedrateacrossthemembraneiscalledpassivediffusion.

答案:错Fungidifferfrombacteriainanumberofcharacteristics.Thecellwallsinfungiarecomposedof()whilethecellwallsofbacteriaarecomposedofpeptidoglycan

答案:chitinDNAtransfersinformationtomakeproteinsinmoleculesreferredtoas

答案:mRNAWhichofthefollowingfermentationprocessesismoreefficient?

答案:continuousflowPartialdestructionofthecellwallwithlysozymeleavesacellcalleda:

答案:spheroplastMethanogensproducemethanefromdecompositionofwastesunder

答案:anaerobicconditions.Whichofthefollowingorganismscausescrowngalltumors?

答案:AgrobacteriumGram-positivebacteriacanbedifferentiatedfromGram-negativebacteriasincethepeptidoglycanlayercomprises10%ofthecellwall.

答案:错Fungidifferfrombacteriainanumberofcharacteristics.Thecellwallsinfungiarecomposedof

chitin

whilethecellwallsofbacteriaarecomposedofpeptidoglycan

答案:对Aforeignpopulationisreferredtoasanautochthonous

population.

答案:错Apathogenwouldmostaccuratelybedescribedasaparasite.

答案:对Algaegenerallycontainsometypesof

答案:chlorophyllMitochondrialikelyoriginatedfrom

答案:invaginationsofthecellmembraneMesosomesareinternalextensionsofthe

答案:cellmembraneTheuseofgeneticallyalteredbacteriainbioremediationtocleanupoilspillsisenhancedbyprovidingwhichofthefollowing

答案:nitrogenTheWhiteCliffsofDoverarecomposedmainlyof:

答案:CalciumCarbonateThecompositionoftheenvelopofsomevirusesis:

答案:phospholipidsandproteinscodedbythehostgenomeDecompositionoforganicmatterinstreamsandlakesleadstoadecreasein:

答案:O2Whichofthefollowingtransportmechanismsoccursonlyinprokaryotes?

答案:grouptranslocationThefermentationofcreamtosourcreamproduceslacticacidbywhichofthefollowingbacteria?

答案:StreptococcusWhichofthefollowingorganismsisusedtoleavenbread?

答案:SaccharomycesWhichofthefollowingispresentinbothgram-positiveandgram-negativecellwall?

答案:peptidoglycanBacterialgenesareconsidered:

答案:haploidMostantibioticsareproducedbyallofthefollowing

答案:StreptomycesInbacterialcultures,growthcanbedemonstratedbyanincreasein

答案:cellnumberAnorganismthatcansynthesizeallitsrequiredorganiccomponentsfromCO2usingenergyfromthesunisa

答案:photoautotroph.Agentsthatareusedtoinhibitbacterialgrowthareconsidered

答案:bacteriostaticAvirusisatinyinfectiouscell.

答案:错Fermentationofaglucosemoleculehasthepotentialtoproduceanetnumberof40ATP.

答案:错ThetaqpolymeraseusedinPCRreactionswasisolatedfromSaccharomycescerevisiae.

答案:错Lysozymeandpenicillinhaveactivityagainstthecellwall.Lysozymebreaksthiscomponent;penicillinpreventsitsphospholipidformation.

答案:错Inaviableplatecount,each____representsa_____romthesamplepopulation

答案:colony,cellAfterinfectionofacellbytheHIVvires,aDNAcopyoftheviralgenomemaybeinsertedinthehostchromosomeThisisanexampleof：

答案:nonhomologous-recombinationThetechniqueofreplicaplatingwasdevelopedby:

答案:LederbergBacteriathatlivewithinprotozoaareandexampleofan:

答案:obligatoryendosymbioticrelationshipFermentationisaprocesscarriedoutbymicroorganismsthatconverts()tousableproducts

答案:organiccompoundsThegeneticmaterialofabacteriaislocatedinthemolecule

答案:DNAAprophageisanearlystageinthedevelopmentofa/an

答案:bacterialvirusAllofthefollowingareaneffectofionizingradiationexcept:

答案:thyminedimerformation.Agroupofmicroorganismscoexistingtogetherinagivenlocationisreferredtoasa

答案:communityLichensaresymbioticrelationshipbetweenfungiand

答案:algaeMessengerRNAwasisolatedfromabacteriaandusedtoidentifyaspecificgene.Whichofthefollowingtechniqueswouldbeutilizedforthisprocess?

答案:NorthernblottingWhichofthefollowingdescribesparasitismandnotendosymbiosis?

答案:parasitismisarelationshipinwhichthehostisharmedandtheparasiteisunaffected.Envelopedvirusescarrysurfacereceptorscalled

答案:spikesEukaryoticmembranescanbedifferentiatedfromprokaryoticmembranesbecauseeukaryoticmembranescontain____aspartofthelipidcomponentofthemembrane.

答案:sterolsThecompoundthatenterstheTCAcyclefromglycolysisis

答案:acetylcoenzymeAThemovementofwatermoleculesacrossthemembraneinresponsetoaconcentrationgradientisreferredtoas:

答案:diffusionAnorganicnutrientsessentialtoanorganismsmetabolismthatcannotbesynthesizeditselfisteameda/an

答案:GrowthfactorAnautoclaveisanapparatusthatisusedtosterilizevariousmaterials.Theappropriateconditionsforsterilizingcontaminatedmaterialisgivenbywhichofthefollowing:

答案:15minat121℃at1.5psiCatabolismisaformofmetabolisminwhich____moleculesareconvertedinto____molecules

答案:large,smallMostofthemajorantibioticsusedinmedicineareproductedby

答案:StreptomycesWhichofthefollowingmutationswouldresultinachangeintheaminoacidinthepolypeptidchain?

答案:missenseEnvironmentalfactorssuchastemperatureandpHexerttheireffectonthe____ofmicrobialcells.

答案:enzymesEscherichiacolistainedbythegrammethodappearredincolor.

答案:对ThenucleicacidofavirusisDNA.

答案:错Mostplantdiseasesarecausedbyfungi.

答案:对Anobligatehalophilerequireshighsalt.

答案:对Ruminantbacteriautilizebacteriatodegradegalactose.

答案:错Yeastsareunicellularfungi,andmoldsarefilamentousfungi.

答案:对ThegreenhouseeffectisduetoexcessproductionofCO2byburningoffossilfuels.

答案:对Virusesthatarecapableofinsertingtheirgenomeintothehostchromosomearecalled

lyticviruses.

答案:错Organismsthatgrowonthesurfaceofotherorganismsarecalledsymbiotic.

答案:错Duringtheexponentialgrowthphase,therateofnewcellsbeingaddedtothepopulationhassloweddown.

答案:错Themostimportantreasonformaintainingstockculturesis

答案:tomaintainthegeneticstrainusedinthereactionIngeneral,iftwohaploidcellsfuse,____willresult.

答案:adiploidzygoteEutrophicationofstreamsandlakesoccursmainlythroughexcessinfluxof:

答案:phosphorousThetechniqueofreplicaplatingisoftenusedtodetectnutritionalmutations.Microorganismsthatgrowoncompletemediabutfailtogrowonminimalmediaarecalled:

答案:auxotrophsThepressureexertedonacellduetohighsoluteconcentrationsisreferredtoas:

答案:osmoticpressureUVlightinducesmutationsby:

答案:causeslinksbetweenthymidinemoleculesonthesameDNAchainWhichofthefollowingisnotaneffectivebiologicalcontrolmethodforcontrollingplantpathogens?

答案:useofresistarhtcropsWhichofthefollowingmechanismstransportsmoleculeswithchemicalalteration?

答案:activetransportExtrachromosomalelementsthatcanbeexchangedbetweenbacteriaarecalled:

答案:plasmidsThetimerequiredforacelltoundergobineryfissioniscalledthe

答案:generationtimeBacterialplantpathogensarecalled____bytheUSDA.

答案:plantpestsIngeneral,fungiderivenutrientsthrough

答案:digestingorganicsubstratesAhyphadividedintocompartmentsbycrosswallsiscalled____.

答案:septateThecapsidiscomposedofproteinsubunitscalled

答案:capsomersWhichofthefollowingisnotfoundinallbacterialcell?

答案:capsuleHowisthepHcontrolledinafermentationreaction?

答案:byusingabufferPenicillinsareeffectiveagainst:

答案:Gram-positivecellsThenucleicacidofavirusis

答案:eitherDNAorRNAOrganismsthatdonotcontainatruenucleusarereferredtoas:

答案:prokaryoticMostpathogenicbacteriaareconsidered:

答案:mesophilesDuringwhichphaseofbacterialgrowthisthereanincreaseincellsizebutnotincellnumber?

答案:lagIsolationofrecombinantDNArequirestheuseofspecificenzymesthatcuttheDNAatspecificsequences.Theseenzymesarecalled:

答案:restrictionenzymesWhichofthefollowingisconsideredasyntheticfuel?

答案:alcohoWhichofthefollowingstatementistrueforallorganisms?

答案:theyrequireinorganicnutrientsWhichofthefollowingistrueofpassivetransport?

答案:itrequiresagradientWhyisaerationusedinmostfermentationreactions?

答案:mostfermentationreactionsneedairTheAmestestisusedtoscreenchemicalsformutagenicandcarcinogenicpotentialWhichbacterialstrainisutilizedinthisprocedure?

答案:Salmonellatyphimurium.Halophilesareclassifiedasorganismsthatrequire____forgrowth

答案:saltActivetransportofasubstanceacrossamembranerequires

答案:theexpenditureofATPTheterm"antibioticmeans：

答案:asubstanceproducedbymicroorganismthatkillsorinhibitsothermicroorganismsChemicalsusedonthebodytocontrolmicroorganismsarecalled：

答案:antisepticsThegeneforlactoseutilizationwasinsertednexttothegeneunderstudyandthenewconstructwastransferredtoanewhost.Thelactosegenewasusedasa

答案:reportergeneAllofthefollowingareusedinthescreeningprocessformicrobialfermentationexcept:

答案:screenproductsformarketabilityTherhizosphereeffectisanexampleof:

答案:symbiosisThemosteffectivewayofsterilizingasolutionisby：

答案:moistheatWhichofthefollowingisaprimarybacterialcellwallfunction?

答案:supportControlofmicrobialinfectionscanbeaccomplishedbychemicalorimmunemechanisms.Thefirstreportontheproductionofanantibioticiscreditedto：

答案:EhrlichManycoenzymesare_____.

答案:vitaminsTheendoplasmicreticulum(ER)isamembranousstructurewithineukaryoticcells.Itisthesiteforproteinsynthesisandforstorageandtransportationofmoleculesoutofthecell.WhichpartoftheERisusedforproteinsynthesis?

答案:roughERThemostimportantphaseofthescreeningprocess:

答案:determinestheoptimalconditionsformaximalyieldThethreekingdomclassificationsystemoforganismswasproposedby:

答案:WoeseEachtaxonhasaspecificsuffix.

答案:对Oneofthefirststrainsstudiedandoftenismorefullycharacterizedthanotherstrainsiscalled_.

答案:typestrainThethreedomainsclassificationsystemoforganismscontain()

答案:Archaea###Bacteria###EukaryaThescientificnameofmicrobialusedisthedoublenamemethodestablishedby_.

答案:LinnaeusIntaxonomichierarchysystem,eachorganismsisassignedtoaKingdom,Phylum,Class,Order,

Family，GenusanSpecies.

答案:对Thegenericnameandthespeciesnameshouldnotbelatinizedanditalicized.

答案:错Oneofthefirststrainsstudiedandoftenismorefullycharacterizedthanotherstrainsiscalled（）

答案:typestrainAnantigencanonlyhaveoneantigenicdeterminantsite.

答案:错ThefirstdocumenteduseofavaccineforsmallpoxwasreportedbytheEnglishphysician:

答案:JennerPleasechoosethepossibleoutcomesofaninfection.

答案:Inapparentinfection###Apparentinfection###CarrierstateNitrificationisaprocessthat:

答案:convertsammoniatonitriteMixedcultivationisakindof___________.

答案:metabiosisAnativepopulationiscalled:

答案:indigenousWhichofthefollowingbacteriaarecapableoffixingnitrogen?

答案:RhizobiumExtrachromosomalelementsareknowntocontaingeneticinformationforallthefollowingexcept:

答案:cellwallrepairReconstitutedplantvirusexperimentprovedthatRNAcanalsoplayasgeneticmaterial.

答案:对WhichenzymecanconnectDNAfragementintoplasmidvectorresultingasarecombinant?

答案:LigaseThereare(

)phases

inthegrowthcurveforatypicalbacterialgrowth.

答案:Lagphase###Deathphase###Exponentialphase###StationaryphaseTheaccumulationofpenicillinoccursatwhichphaseofthegrowthcycleofthefungi

答案:stationaryWecanusespreadplatetocountthegrowthforallbacteria.

答案:错Superoxidedismutase(SOD)canprotectthemicrobesfromtheoxygen.

答案:对Mostoxidationreactioninmicrobialbioenergeticsinvolvethe

答案:removalofelectronsandhydrogensEnergyiscarriedfromcatabolictoanabolicreactionintheformofATP.

答案:对Completeoxidationofglucoseinaerobicrespirationcanyieldanetoutputof___ATP

答案:38Catabolism

isanothertermforbiosynthesis.

答案:错Therearethreetypesofbilogicaloxidation,

()()().

答案:Aerobicrespiration###Anaerobicrespiration###FermentationWhichoneisnotakindofdifunctionnutrient?

答案:NO3-Phototrophsaremicroorganismsthatobtaintheirenergytosynthesizeorganiccompoundsfromsun.

答案:对Whichisthelowesttrophiclevelinthefoodweb?

答案:primaryproducersChemoautotrophscansurviveon____alone.

答案:mineralandCO2Virusescannotbecultivatedin

livemammals.

答案:对Avirusisatinyinfectious（）

答案:particleThelysisofE.colibyT4phagerequirestwospeci