生物专业细胞生物学课程试题5VIP免费

第1页共8页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共8页生物专业细胞生物学课程试题（5）一、选择填空（每小题2分，共60分，请做在答题卡上）1．ThefirstmanthatdescribedthecellstructuresisA.RobertHook.B.vanLeeuwenhoek.C.W.Flemming.D.J.E.Pukinye.2．PhasecontrastmicroscopecanbeusedtoobserveA.Alivecell.B.Stainedcell.C.Notstainedcell.D.Alloftheabove.3．Ifyouwantedtoseparateeukaryoteribosomalsubparticlesbysize,whichofthefollowingtechniqueswouldyouuse?A.Gelelectrophoresis.B.Radiolabelling.C.Polymerasechainreaction.D.Densitygradientcentrifugation.4．Whichofthefollowingdescriptionaboutprioninnottrue?A.Prionisasortofproteinthatcausingsomeseverediseases,suchasbovinesponge-formencephalopathies(BSM,madcowdisease).B.Prioncanreplicateitselfbychangetheconformationoftheproteinswhicharesimilartoprion.C.Prionisatranscriptionregulatoryprotein.D.PrionwasdiscoveredbyPrusinerin1982.5．Ingeneral,glycoproteinsandglycolipids:A.Areontheouterleafletoftheunitmembrane,facingtheenvironmentofacell.B.Areontheinnerleafletoftheunitmembrane,facingthecytosol.C.Areequallydistributedontheinnerandoutersurfaceoftheunit第2页共8页第1页共8页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共8页membrane.D.Occuronlyininternalmembranes.6．Whichofthefollowingisnotthefunctionofthebio-membrane?A.Signaltransduction.B.Transportation.C.Transcription.D.Compartmentalization.7．InhumanintestineglucoseareabsorbedbythewayofA.Na+poweredantiport.B.Na+poweredsymport.C.Channelproteins.D.ABCtransporter.8．TheNa+/K+ATPaseofeukaryoticcellsA.IsaP-typepump.B.IsaV-typepump.C.IsanF-typepump.D.IsanATP-bindingcassette.9．Followingorganellesareallsurroundedbydoublebio-membranesexceptA.MitochondrionB.Chloroplast.C.ER.D.Nucleus.10．"Cis,""medial"and"trans"specifydifferentcompartmentsofthe...A.Golgibody.第3页共8页第2页共8页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第3页共8页B.Endoplasmicreticulum.C.Mitochondrion.D.Nucleus.11．ThePHvalueinlysosomeislowerthanthatincytoplasmbecauselysosomemembraneexistA.P-typeH+pump.B.F-typeH+pump.C.V-typeH+pump.D.P-typeNa+-K+pump.12．Whichofthefollowingstatementsaboutsignalsequencesisfalse?A.Signalsequencesareremovedfromproteinbysignalpeptidaseafterthesortingprocesshasbeencompleted(exceptnuclearlocalizationsequence(NLS)andsignalpatch).B.Eachsignalsequencespecifiesaparticulardestinationinthecell.C.NLSdirectproteinsintocytoplasmfromnucleus.D.Anyproteinwithapropersignalsequencewillbetransferredintotheperoxisome.13．WhichofthefollowingaboutperoxisomesistrueA.Theyareformedbybinaryfissionofexistingperoxisomes.B.TheycontaintheirownDNA.C.Theycontainoxidativeenzymes.D.BothAandC14．PSIabsorblightofwavelengthatA.680nm.B.700nmC.280nmD.BothAandB15．WhichofthefollowingisnotencodedbythemtDNA?第4页共8页第3页共8页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第4页共8页A.Cytochromec.B.Cytochromeb.C.F0.D.Keratin.16．CyclicphotophosphorylationisaccomplishedbyA.PhotosystemI.B.PhotosystemII.C.PhotosystemIII.D.BothphotosystemsIandII.17．G-proteinlinkedreceptorsareA.Single-passtransmembraneproteins.B.Seven-passtransmembraneproteins.C.Three-passtransmembraneproteins.D.Notatransmembraneprotein.18．WhichofthefollowingisNOTasecondmessenger?A.NO.B.cGMP.C.cAMP.D.IP3.19．DyneinsaremotorproteinsthatmovefromalongA.–endto+end;microtubules.B.+endto–end;microtubules.C.–endto+end...