FoodMolecularBiology智慧樹知到答案章節(jié)測試2023年華南理工大學

第一章測試ThetemplatestrandhasasequencecomplementarytothatoftheRNAtranscript.（）A:對B:錯答案:AThecodingstrandhasthesamesequenceasthatofth（e）RNAtranscript.A:對B:錯答案:BChromosomecontainsalineararrayofgenesandeachgeneresidesataparticularlocationonthechromo（so）me.A:錯B:對答案:BTransposableelements（TEs）,alsoknownas“jumpinggenes,”areDNAsequencesthatmovefromonelocationonthegenometo（an）otherlocation.A:錯B:對答案:BDNApolymeraseareessentialforDNAreplicationandusuallyworkinpairstocreatetwoidenticalDNAstrandsfromasingleorigina（l）DNAmolecule.A:對B:錯答案:A第二章測試DNAsequencesthatarehighlyenrichedbanegairstypicallyhavehighmeltingtemperatures.Therefore,PCRamplificationisgreatlyhinderedbythepresenceoC-rGchregionswithinthetemplate.A:對B:錯答案:AThelacZgenecanbeusedtoscreenbacteriacontainingrecombinantplasmids.AspecialplasmidcarriesacopyofthelacZgeneandanampicresistancegen（e.）A:對B:錯答案:AWeuseLipidmediatedgenedeliveryasexample.ItuseslipidstocausetoabsorbexogenousDNAsincetheyarebothmadeofaphospholipidbila（）A:對B:錯答案:AWhenyoudoingtransgenicplant,youcoulddooverexpression,geneknockdownorgeneknockout.OverexpressionusuallyreferstoanexperimentwhenDNAisaddedtothecelltoforceexpressionofthegenetoamhigherthannormal（lev）el.A:錯B:對答案:BThetechniqueweuseforgeneknockdownissmallinterferingRNA（siRNSometimeswecallshortinterferingRNAorsilencingRNA,itisaclassofsingle-strandedRNAnon-codingRNAmolecules,20-25basepairsinlength,andoperatingwithintheRNAinterference（RNAi）（）pathway.A:對B:錯答案:B第三章測試Intheprocessofelectrophoresis,theproteinwiththesmallestmolecularweightmovestheslo（we）st.A:對B:錯答案:BTheantibodyconsistsoftwoheavychains,twolightchainsandhingeregi（）A:錯B:對答案:BMostantigenshaveseveralep（ito）pes.A:對B:錯答案:AInthemassspectrometry,thesmallerionrequireslesstimetotraversethchamber.（）A:錯B:對答案:BX-raycrystallographyisonlysuitableforthedeterminationofcrystalstructure.（）A:錯B:對答案:B第四章測試Whichtypeofcellsisprimarilyresponsiblefornutr(ien)tsensing?A:PanethcellsB:MastcellsC:StemcellsD:Enteroendocrinecells答案:D()isthebasicarchitecturalunitoftheliverA:LiversinusoidB:KupffercellsC:PortalveinD:Liverlobule答案:DThelivercanonlymetabolizeproteinandlipid.()A:對B:錯答案:B()caninduceNAFLD.A:HightalcoholB:RichinsucroseC:HighfructoseD:Highsaturatedfat答案:BCDWhatarethecentersofmetabolism?A:Pancreas,brain,muscleandliverB:Pancreas, brain, muscle, adipose tissue,kidneyand liverC:Pancreas, brain, muscle, adipose tissueandliverD:Pancreas,muscle,adiposetissueandliver答案:C第五章測試Whatisthephysiologicalconcentrationrangeofhydrogenp？eroxideH2O2()A:10nMB:1nMC:100nMD:1000nM答案:CAllpolyphenolsareabsorbedwithequal（e）fficacy.A:對B:錯答案:BProanthocyanidinsarewellabsorbedinsmall（int）estine.A:對B:錯答案:BThepolyphenolhasbeenstronglydemonstratedtobenefitcancerpatients.（）A:錯B:對答案:AWheredoesIDH1work?（）A:MitochondriaB:CytoplasmC:OutsidethecellD:Nucleus答案:B第六章測試TheretwotypesofImmuneresponse,includingInnateimmunityandadaptiveimmunity（.）A:對B:錯答案:AAntibodiespossessdistinctantigen-bindingandeffecto（r）units.A:錯B:對答案:BAntibodiesBindSpecificMoleculesThroughHypervariable（）Loops.A:對B:錯答案:ATheamino-terminalimmunoglobulindomainsofeachchainisreferredtoastheconstantregio（ns）.A:對B:錯答案:BIgGfoldconsistsofapairofβsheets,eachbuiltofantiparallelbstrandsurroundacentralhydrophobic（c）ore.A:錯B:對答案:B第七章測試Thenutrientsinfoodmainlyincludewater,sugars,proteins,fats,inorganicsalts,vitaminsandcrudecellulose.Althoughthecrudecellulosecannotbedigestedandabsorbedbythehumanbody,ithasaveryimportantphysiologicaleffectonthehumanbody.Thefollowingfoodsarerichincrfiber.（）A:Spinach.CeleryB:Eggs.PorkC:Milk.BeefD:Fish.Shrimp答案:ABeefcontainsalotofphenolicco（mp）ounds.A:錯B:對答案:AThemajorflavonols（a）reA:FlavanonesB:MyricetinC:KaempferolD: