生物化学知到章节答案智慧树2023年上海海洋大学

生物化学知到章节测试答案智慧树2023年最新上海海洋大学绪论单元测试Approximatelywhatpercentageofthehumangenomeencodesforproteins?（）

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3%第一章测试Allofthefollowingaminoacidsareacidicorbasicaminoacids,EXCEPT（）.

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SerTheaminoacidsthatdeterminetheUV-absorbingpropertiesofproteinsare（）.

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Tryptophan,Phenylalanine,TyrosineTheproteinmolecule(PI=4.5)willmobiletothenegativeelectrodewhenthePHofelectrophoresisbufferis（）.

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PH=3.0Gelfiltrationchromatographyisamethodthatcanbeusedtoseparateandpurifyproteins,basingonthesolubilityofproteins（）

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错Whatisprimarystructureofprotein?Pleasestatetherelationshipsbetweentheprimarystructureandfunctionsofproteinsbyanexample.

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null第二章测试ThecorrectdescriptionaboutmeasuringDNAdenaturationareincluded,EXCEPT（）.

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HypochromiceffectNorthernhybridizationisusedtodetect（）.

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RNAThesedimentationcoefficientofthemammalianribosomelargesubunitis50S.（）

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错Eachnucleotideconsistsofthreecomponents,，，___.

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nullStatethefunctionsofthreemajorkindsofRNA(mRNA,tRNAandrRNA).

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null第三章测试Aboutcompetitiveinhibitors,whichoneistrue?（）.

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Kmincreases,VmaxremainsconstantInhibitionofphosphatepesticideoncholineesterasebelongsto（）.

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IrreversibleinhibitionIsoenzymeisagroupofenzymesthatcatalyzethesamechemicalreaction,andthemolecularstructure,physicochemicalpropertiesandimmunologicalpropertiesoftheenzymeproteinaredifferent（）.

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对Thespecificitiesofenzymescanbebrieflydividedintothree，,,___and___.

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nullBrieflystatethesignificanceofKm.

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null第四章测试TheorderofthemembersofNADHoxidativerespiratorychainis（）.

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NAD+complexICoQcomplexIIIcytochromeCcomplexIVTwohydrogenatoms(2H)incytosolicNADH(+H+)aretransportedfromcytosoltomitochondriathrough（）.

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Malateorɑ-glycerolphosphateshuttleAllofthefollowingcompoundsarecomponentsoftherespiratorychain,EXCEPT（）.

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CoAThesequenceofcytochromeintherespiratorychainisb→c1→c→aa3→O2.（）

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对WhatisOxidativephosphorylation?Statetheorderofthemembersoftwoimportantoxidativerespiratorychains.

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null第五章测试ForeachmoleculeofglucoseconvertedtopyruvateintheglycolyticpathwaymoleculesofATPareusedinitially(StageI)andmoleculesofATPareproduced(StageII)foranoverallyieldof___moleculesofATP/glucose.The“ATPmath”is:（）.

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-2+4=2WhichcompoundisNOTthecoenzymeofpyruvatedehydrogenasecomplex?（）

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BiotinWhichofthefollowingreactionsisnotacontrolpointinthecitricacidcycle?（）.

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MalatedehydrogenaseCarbohydrateComplexIIoftheelectrontransportchainsharesitsenzymaticactivitywiththecitricacidcycle.（）

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对Avariationofthecitricacidcycleinplantsthatallowsacetyl-CoAtobeconvertedquantitativelytogluconeogenicprecursorsisthe___.

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nullPeoplefeelmusclesorenessafterintenseexercise,anditdisappearsafterafewdays.Pleaseexplainthephenomenon.

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null第六章测试ThesubstancesthatcanproduceacetylCoAare（）.

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alloftheaboveUnderAllofthefollowingmoleculesarecalledketonebodies,EXCEPT（）.

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CarnitineUnbranchedfattyacidswithanoddnumberofcarbonatomsareusuallyconvertedafterβ-oxidationtoacetoacetyl-CoAandacetyl-CoA（）.

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错Theβ-oxidationofsaturatedfattyacidshasarepeatedsequenceof4reactions,including,,___and___.

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nullWhat’sketonebodies?Brieflystatethesignificanceofketonebodies.

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null第七章测试Intheureacycle,one“N”intheureamoleculecomesfromNH3,another“N”comesfrom（）

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AspartateUreaissynthesizedin（）.

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LiverDuringdeamination,L-aminoacidoxidasehashigheractivityandisfoundwidelyinbodies（）.

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错Themajortransaminaseintheheartis,andintheliveris.

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nullBrieflystatethemajorprocessesandphysiologicalsignificanceofthealanine-glucosecycle.

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null第八章测试Whichofthefollowingcodonsaretheterminationcodonsinproteinbiosynthesis?（）

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UAA,UAG,UGAAllofthefollowingdescriptionsaboutthesynthesisofleadingstrandsinDNAreplicationinprokaryoticcellsarecorrect,EXCEPT（）.

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nullTheleadingstrandiscontinuouslyreplicated,andthelaggingstrandisnotcontinuouslyreplicated,whichisthesemi-conservativereplication（）.

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错APCRcycleconsistsofthreesteps,,,and___.

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nullStatethefunctionsofthemajorenzymesandproteinsinvolvedinDNAreplication.

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null第九章测试ThetemplatestrandofDNAis5’-ATTCAG-3’,itstranscriptis（）.

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5’-CUGAAU-3’Theoperonmodelproposesthreeelements,EXCEPT（）.

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SDsequenceTheRNApolymeraseholoenzymeofprokaryotesiscomposedofseveralsubunits,suchasα2ββω（）.

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错MostmRNAsofeukaryotesarepolycistron,whilemostmRNAsofprokaryotesaremonocistron（）.

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错Listthesimilaritiesanddifferencesbetweentranscriptionandreplication.

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null第十章测试WhichofthefollowingstepsisNOTincludedintheproteinbiosynthesis?（）

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Post-transcriptionalprocessingEnergyforthemovementofpeptidyl-tRNAfromtheA-sitetotheP-siteisprovidedby（）.

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GTPPromoterisashortsequencerichinpurines,lies5’totheAUGinitiationcodonandiscomplementarytopartofthe16SrR