在線網(wǎng)課知道《Food Molecular Biology（華南理大）》單元測(cè)試考核答案

第一章單元測(cè)試1【判斷題】(20分ThetemplatestrandhasasequencecomplementarytothatoftheRNAtranscript.（）A.錯(cuò)B.對(duì)2【判斷題】(20分ThecodingstrandhasthesamesequenceasthatoftheRNAtranscript.（）A.對(duì)B.錯(cuò)3【判斷題】(20分Chromosomecontainsalineararrayofgenesandeachgeneresidesataparticularlocationonthechromosome.（）A.對(duì)B.錯(cuò)4【判斷題】(20分Transposableelements(TEs),alsoknownas"jumpinggenes,"areDNAsequencesthatmovefromonelocationonthegenometoanotherlocation.（）A.錯(cuò)B.對(duì)5【判斷題】(20分DNApolymeraseareessentialforDNAreplicationandusuallyworkinpairstocreatetwoidenticalDNAstrandsfromasingleoriginalDNAmolecule.（）A.錯(cuò)B.對(duì)第二章單元測(cè)試1【判斷題】(20分DNAsequencesthatarehighlyenrichedinG–Cbasepairstypicallyhavehighmeltingtemperatures.Therefore,PCRamplificationisgreatlyhinderedbythepresenceofG–C-richregionswithinthetemplate.（）A.對(duì)B.錯(cuò)2【判斷題】(20分ThelacZgenecanbeusedtoscreenbacteriacontainingrecombinantplasmids.AspecialplasmidcarriesacopyofthelacZgeneandanampicillin-resistancegene.（）A.錯(cuò)B.對(duì)3【判斷題】(20分WeuseLipidmediatedgenedeliveryasexample.ItuseslipidstocauseacelltoabsorbexogenousDNAsincetheyarebothmadeofaphospholipidbilayer.（）A.對(duì)B.錯(cuò)4【判斷題】(20分Whenyoudoingtransgenicplant,youcoulddooverexpression,geneknock-downorgeneknockout.OverexpressionusuallyreferstoanexperimentwhenDNAisaddedtothecelltoforceexpressionofthegenetoamuchhigherthannormallevel.（）A.錯(cuò)B.對(duì)5【判斷題】(20分ThetechniqueweuseforgeneknockdownissmallinterferingRNA(siRNA).SometimeswecallshortinterferingRNAorsilencingRNA,itisaclassofsingle-strandedRNAnon-codingRNAmolecules,20-25basepairsinlength,andoperatingwithintheRNAinterference(RNAi)pathway.（）A.對(duì)B.錯(cuò)第三章單元測(cè)試1【判斷題】(20分Intheprocessofelectrophoresis,theproteinwiththesmallestmolecularweightmovestheslowest.（）A.對(duì)B.錯(cuò)2【判斷題】(20分Theantibodyconsistsoftwoheavychains,twolightchainsandhingeregion.（）A.對(duì)B.錯(cuò)3【判斷題】(20分Mostantigenshaveseveralepitopes.（）A.錯(cuò)B.對(duì)4【判斷題】(20分Inthemassspectrometry,thesmallerionrequireslesstimetotraversethechamber.（）A.對(duì)B.錯(cuò)5【判斷題】(20分X-raycrystallographyisonlysuitableforthedeterminationofcrystalstructure.（）A.錯(cuò)B.對(duì)第四章單元測(cè)試1【單選題】(20分)Whichtypeofcellsisprimarilyresponsiblefornutrientsensing?（）A.MastcellsB.PanethcellsC.StemcellsD.Enteroendocrinecells2【單選題】(20分)()isthebasicarchitecturalunitoftheliverA.PortalveinB.LiverlobuleC.KupffercellsD.Liversinusoid3【判斷題】(20分Thelivercanonlymetabolizeproteinandlipid.()A.對(duì)B.錯(cuò)4.【多選題】(20分)正確答案：ABD()caninduceNAFLD.A.RichinsucroseB.HighfructoseC.HightalcoholD.Highsaturatedfat5【單選題】(20分)Whatarethecentersofmetabolism?A.Pancreas,muscle,adiposetissueandliverB.Pancreas,brain,muscle,adiposetissueandliverC.Pancreas,brain,muscle,adiposetissue,kidneyandliverD.Pancreas,brain,muscleandliver第五章單元測(cè)試1【單選題】(20分)WhatisthephysiologicalconcentrationrangeofhydrogenperoxideH2O2？（）A.100nMB.10nMC.1nMD.1000nM2【判斷題】(20分Allpolyphenolsareabsorbedwithequalefficacy.（）A.錯(cuò)B.對(duì)3【判斷題】(20分Proanthocyanidinsarewellabsorbedinsmallintestine.（）A.對(duì)B.錯(cuò)4【判斷題】(20分Thepolyphenolhasbeenstronglydemonstratedtobenefitcancerpatients.（）A.對(duì)B.錯(cuò)5【單選題】(20分)WheredoesIDH1work?()A.NucleusB.CytoplasmC.MitochondriaD.Outsidethecell第六章單元測(cè)試1【判斷題】(20分TheretwotypesofImmuneresponse,includingInnateimmunityandadaptiveimmunity.（）A.對(duì)B.錯(cuò)2【判斷題】(20分Antibodiespossessdistinctantigen-bindingandeffectorunits.（）A.錯(cuò)B.對(duì)3【判斷題】(20分AntibodiesBindSpecificMoleculesThroughHypervariableLoops.（）A.錯(cuò)B.對(duì)4【判斷題】(20分Theamino-terminalimmunoglobulindomainsofeachchainisreferredtoastheconstantregions.（）A.錯(cuò)B.對(duì)5【判斷題】(20分IgGfoldconsistsofapairofβsheets,eachbuiltofantiparallelbstrands,thatsurroundacentralhydrophobiccore.（）A.錯(cuò)B.對(duì)第七章單元測(cè)試1【單選題】(20分)Thenutrientsinfoodmainlyincludewater,sugars,proteins,fats,inorganicsalts,vitaminsandcrudecellulose.Althoughthecrudecellulosecannotbedigestedandabsorbedbythehumanbody,ithasaveryimportantphysiologicaleffectonthehumanbody.Thefollowingfoodsarerichincrudefiber.（）A.Spinach.CeleryB.Milk.BeefC.Eggs.PorkD.Fish.Shrimp2【判斷題】(20分Beefcontainsalotofphenoliccompounds.（）A.對(duì)B.錯(cuò)3.【多選題】(20分)正確答案：ABCDThemajorflavonolsare（）A.KaempferolB.QuercetinC.FlavanonesD.Myricetin4【判斷題】(20分Th