生物化学智慧树知到期末考试答案章节答案2024年上海海洋大学

生物化学智慧树知到期末考试答案+章节答案2024年上海海洋大学Glycolysistakesplaceinmitochondria.（）

答案:错Ion-exchangechromatographyisamethodthatcanbeusedtoseparateandpurifyproteins,basingontherelativemolecularmassofproteins.（）

答案:错Allenzymesinvolvedingluconeogenesisexistinthecytoplasm.（）

答案:错RNAsaresynthesizedfromDNAtemplates,noneedforaprimer.（）

答案:对β-OxidationofFAsincludesfiverepeatedsteps:activation,oxidation,hydration,oxidationandthiolysis.（）

答案:错Thebasethicknessofα-helixis3.4nm.（）

答案:错Tyrosineis(are)neutralandpolaratpH=7.（）

答案:对Anumberofthedigestiveenzymesaresynthesizedinaninactiveformandareonlyactivatedintheduodenum.Theseinactiveprecursorformsaretermed（）.

答案:ZymogensUreaisutilizedin（）.

答案:Extra-hepaticWhichofthefollowingdoesnotpumpprotons?（）.

答案:ComplexIIAllofthefollowingcompoundscontainhigh-energyphosphatebond,EXCEPT（）.

答案:Glucose-6-phosphateWhatarethestepsinvolved(inorder)intheconversionofpyruvatetoacetylCoA?（）

答案:Decarboxylation,oxidation,transfertoCoAForidentificationofagene,againstwhichstrandofDNAmusttheprobecomplement:thetoporbottomstrand?（）.

答案:EitherstrandThechemicalbondinchargeofmaintainingsecondarystructureofproteinsis（）.

答案:HydrogenbondAllofthefollowingaminoacidsareL-aminoacids,EXCEPT（）.

答案:GlycineAllofthefollowingprocessesoccurinthemitochondria,EXCEPT（）.

答案:ActivationoffattyacidsThereducedformofflavinadeninedinucleotideis（）.

答案:FADH2NamethreeaminoacidsthatarepositivelychargedataneutralpH（）.

答案:lys,arg,andhisThewavelengthofmaximumabsorptionofnucleicacidsis280nm.（）

答案:错Ketonebodiesareproducedinthemitochondrialmatrixoflivercells,andthenfurtheroxidizedinlivercells,whichisananotherformofoxidativeenergysupplyforfattyacids.（）

答案:错ThekineticbehaviorofallostericenzymesdoesnotfollowtheMechaelis-Mentenequation.（）

答案:对Threenucleotidescodefor3aminoacids.（）

答案:错Genescanbeinsertedintoeukaryoticcellsby（）.

答案:AlloftheaboveWhichofthefollowingaminoacidresidueswouldmostlikelybeburiedintheinteriorofawatersoluble,globularprotein（）?

答案:PheWhataretheprimarymetabolicfatesofpyruvate?（）

答案:AlloftheaboveTheenzymeinchargeofproofreadingfunctioninDNAreplicationis（）.

答案:DNApolymeraseⅠThesitesforintronsplicingconsensussequencesareoften（）.

答案:GU----------AGCoricycleistheprocessthattransportammoniafrommuscletoliver?（）

答案:错Whenaproteinisdenatured,itsmolecularmassdecreases.（）

答案:错IntheprocessofDNAreplication,theenzymethatcanremoveprimersisDNApolymeraseⅠ.（）

答案:对MosteukaryoticmRNAshavepoly(A)atthe5'endandcapstructureatthe3'end.（）

答案:错Thecoenzymeofmostaminotransferasesispyridoxalphosphate.（）

答案:对Allenzymesinvolvedinglycolysisexistinthecytoplasm.（）

答案:对Alanine-glucosecycleistheprocessthattransportammoniafrommuscletoliver?（）

答案:对ATPisthemainformofenergystorage.（）

答案:错Theinitialsynthesisofpolypeptidechainsofprokaryotesbeginwithformylmethionine(fMet).（）

答案:对Thewavelengthofmaximumabsorptionofproteinsis260nm.（）

答案:错Reversetranscriptaseisnormallyfoundin（）.

答案:RetrovirusRibosomesarecomposedof（）.

答案:BandCWhichofthefollowingisthemaindeaminationstyleinthebody?（）

答案:CombineddeaminationIfaplotofthereciprocalofthevelocityofanenzymecatalyzedreactionversusthereciprocalofthesubstrateconcentrationyieldsastraightline,theinterceptonthe1/[S]axisis（）.

答案:-1/KmThesitetowhichRNApolymerasebindsontheDNAtemplatepriortotheinitiationoftranscriptionis（）.

答案:PromoterThedifferenceinRNAbasescomparedtoDNAbasesis（）.

答案:RNAcontainsUinsteadofTWhatdoSouthern,Northern,andWesternblotsdetect,respectively?（）

答案:DNA,RNA,andproteinIntheureacycle,thecarbonskeletonofaspartateispreservedas（）.

答案:FumarateWhatisthebindingsiteofpeptidyl-tRNA?（）

答案:ThePpositionoftheribosomeThefirstaminoacidinbacterialproteinsis（）.

答案:fMetHowmanyhigh-energyphosphatebondsareexpendedingluconeogenesis?（）

答案:6Whichofthefollowingisanallostericactivatorofmammaliancarbamoyl-phosphatesynthetase?（）

答案:N-acetylglutamateInproteinsynthesis,aftertheinitiationcomplexforms,howmanyhigh-energyphosphatebondswillbeconsumedwhenanaminoacidisaddedintoapeptidechain?（）

答案:4TheKmis（）.

答案:EqualtothesubstrateconcentrationwhenthereactionrateishalfitsmaximalvalueWhatistheapproximateerrorrateinDNAreplication?（）

答案:1错10-8IfthecodonofmRNAisACG,thentheanticodonoftRNAis（）.

答案:CGUWhichofthefollowingsequenceswouldretainthebase-pairingnecessarytoformahairpinloop?（）TheoriginalsequenceisUUGCUCAGUAAGAGCAA.

答案:UAGCUCAGUAAGAGCUAPlasmidsusedinrecombinantDNAtechnologytypically（）.

答案:Alloftheabove.Whichofthefollowingcodonaretheinitiationcodonintheprocessofproteinbiosynthesis?（）

答案:AUGHowmanyroundsofoxidationwouldberequiredfora16-Cfattyacylchaintobedegradedtoacetyl-CoA?（）

答案:7WhichofthefollowingstepsisNOTincludedintheproteinbiosynthesis?（）

答案:Post-transcriptionalprocessingTheenergyrequiredforproteinsynthesisisATP（）.

答案:错Promoterisashortsequencerichinpurines,lies5’totheAUGinitiationcodonandiscomplementarytopartofthe16SrRNAinthesmallribosomalsubunit（）.

答案:错Energyforthemovementofpeptidyl-tRNAfromtheA-sitetotheP-siteisprovidedby（）.

答案:GTPTheoperonmodelproposesthreeelements,EXCEPT（）.

答案:SDsequenceMostmRNAsofeukaryotesarepolycistron,whilemostmRNAsofprokaryotesaremonocistron（）.

答案:错TheRNApolymeraseholoenzymeofprokaryotesiscomposedofseveralsubunits,suchasα2ββω（）.

答案:错ThetemplatestrandofDNAis5’-ATTCAG-3’,itstranscriptis（）.

答案:5’-CUGAAU-3’Whichofthefollowingcodonsaretheterminationcodonsinproteinbiosynthesis?（）

答案:UAA,UAG,UGAAllofthefollowingdescriptionsaboutthesynthesisofleadingstrandsinDNAreplicationinprokaryoticcellsarecorrect,EXCEPT（）.

答案:DNApolymeraseIIIcatalyzestheadditionofdeoxynucleotidetothe5'endoftheprimerTheleadingstrandiscontinuouslyreplicated,andthelaggingstrandisnotcontinuouslyreplicated,whichisthesemi-conservativereplication（）.

答案:错Duringdeamination,L-aminoacidoxidasehashigheractivityandisfoundwidelyinbodies（）.

答案:错Ureaissynthesizedin（）.

答案:LiverIntheureacycle,one“N”intheureamoleculecomesfromNH3,another“N”comesfrom（）

答案:AspartateUnderAllofthefollowingmoleculesarecalledketonebodies,EXCEPT（）.

答案:CarnitineThesubstancesthatcanproduceacetylCoAare（）.

答案:alloftheaboveUnbranchedfattyacidswithanoddnumberofcarbonatomsareusuallyconvertedafterβ-oxidationtoacetoacetyl-CoAandacetyl-CoA（）.

答案:错Foreachmoleculeofglucoseconvertedtopyruvateintheglycolyticpathway___moleculesofATPareusedinitially(StageI)and___moleculesofATPareproduced(StageII)foranoverallyieldof___moleculesofATP/glucose.The"ATPmath"is:（）.

答案:-2+4=2Whichofthefollowingreactionsisnotacontrolpointinthecitricacidcycle?（）.

答案:MalatedehydrogenaseCarbohydrateComplexIIoftheelectrontransportchainsharesitsenzymaticactivitywiththecitricacidcycle.（）

答案:对WhichcompoundisNOTthecoenzymeofpyruvatedehydrogenasecomplex?（）

答案:BiotinThesequenceofcytochromeintherespiratorychainisb→c1→c→aa3→O2.（）

答案:对TheorderofthemembersofNADHoxidativerespiratorychainis（）.

答案:NAD+complexICoQcomplexIIIcytochromeCcomplexIVAllofthefollowingcompoundsarecomponentsoftherespiratorychain,EXCEPT（）.

答案:CoATwohydrogenatoms(2H)incytosolicNADH(+H+)aretransportedfromcytosoltomitochondriathrough（）.

答案:Malateorɑ-glycerolphosphateshuttleAboutcompetitiveinhibitors,whichoneistrue?（）.

答案:Kmincreases,VmaxremainsconstantIsoenzymeisagroupofenzymesthatcatalyzethesamechemicalreaction,andthemolecularstructure,physicochemicalpropertiesandimmunologicalproper