生物化學知到章節(jié)答案智慧樹2023年上海海洋大學

生物化學知到章節(jié)測試答案智慧樹2023年最新上海海洋大學緒論單元測試Approximatelywhatpercentageofthehumangenomeencodesforproteins?（）

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3%第一章測試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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錯Whatisprimarystructureofprotein?Pleasestatetherelationshipsbetweentheprimarystructureandfunctionsofproteinsbyanexample.

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null第二章測試ThecorrectdescriptionaboutmeasuringDNAdenaturationareincluded,EXCEPT（）.

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HypochromiceffectNorthernhybridizationisusedtodetect（）.

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RNAThesedimentationcoefficientofthemammalianribosomelargesubunitis50S.（）

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錯Eachnucleotideconsistsofthreecomponents,，，___.

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nullStatethefunctionsofthreemajorkindsofRNA(mRNA,tRNAandrRNA).

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null第三章測試Aboutcompetitiveinhibitors,whichoneistrue?（）.

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Kmincreases,VmaxremainsconstantInhibitionofphosphatepesticideoncholineesterasebelongsto（）.

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IrreversibleinhibitionIsoenzymeisagroupofenzymesthatcatalyzethesamechemicalreaction,andthemolecularstructure,physicochemicalpropertiesandimmunologicalpropertiesoftheenzymeproteinaredifferent（）.

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對Thespecificitiesofenzymescanbebrieflydividedintothree，,,___and___.

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nullBrieflystatethesignificanceofKm.

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null第四章測試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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對WhatisOxidativephosphorylation?Statetheorderofthemembersoftwoimportantoxidativerespiratorychains.

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null第五章測試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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對Avariationofthecitricacidcycleinplantsthatallowsacetyl-CoAtobeconvertedquantitativelytogluconeogenicprecursorsisthe___.

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nullPeoplefeelmusclesorenessafterintenseexercise,anditdisappearsafterafewdays.Pleaseexplainthephenomenon.

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null第六章測試ThesubstancesthatcanproduceacetylCoAare（）.

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alloftheaboveUnderAllofthefollowingmoleculesarecalledketonebodies,EXCEPT（）.

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CarnitineUnbranchedfattyacidswithanoddnumberofcarbonatomsareusuallyconvertedafterβ-oxidationtoacetoacetyl-CoAandacetyl-CoA（）.

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錯Theβ-oxidationofsaturatedfattyacidshasarepeatedsequenceof4reactions,including,,___and___.

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nullWhat’sketonebodies?Brieflystatethesignificanceofketonebodies.

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null第七章測試Intheureacycle,one“N”intheureamoleculecomesfromNH3,another“N”comesfrom（）

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AspartateUreaissynthesizedin（）.

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LiverDuringdeamination,L-aminoacidoxidasehashigheractivityandisfoundwidelyinbodies（）.

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錯Themajortransaminaseintheheartis,andintheliveris.

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nullBrieflystatethemajorprocessesandphysiologicalsignificanceofthealanine-glucosecycle.

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null第八章測試Whichofthefollowingcodonsaretheterminationcodonsinproteinbiosynthesis?（）

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UAA,UAG,UGAAllofthefollowingdescriptionsaboutthesynthesisofleadingstrandsinDNAreplicationinprokaryoticcellsarecorrect,EXCEPT（）.

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nullTheleadingstrandiscontinuouslyreplicated,andthelaggingstrandisnotcontinuouslyreplicated,whichisthesemi-conservativereplication（）.

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錯APCRcycleconsistsofthreesteps,,,and___.

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nullStatethefunctionsofthemajorenzymesandproteinsinvolvedinDNAreplication.

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null第九章測試ThetemplatestrandofDNAis5’-ATTCAG-3’,itstranscriptis（）.

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

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SDsequenceTheRNApolymeraseholoenzymeofprokaryotesiscomposedofseveralsubunits,suchasα2ββω（）.

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錯MostmRNAsofeukaryotesarepolycistron,whilemostmRNAsofprokaryotesaremonocistron（）.

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錯Listthesimilaritiesanddifferencesbetweentranscriptionandreplication.

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null第十章測試WhichofthefollowingstepsisNOTincludedintheproteinbiosynthesis?（）

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

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GTPPromoterisashortsequencerichinpurines,lies5’totheAUGinitiationcodonandiscomplementarytopartofthe16SrR