FoodMolecularBiology智慧树知到答案章节测试2023年华南理工大学

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