biochemistrytestchapters13-27,学生考题汇总

《biochemistrytestchapters13-27,学生考题汇总》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、19BiochemistryTest(part2:chapters13to27)NameStudentIDScoreIIIIIIIVTotalIWritestructures(2.5x4=10)(1)NADP+(2)CoA(3)lipoicacid(4)QH2(5)ATP(6)Creatinephosphate(7)carnitine(8)cAMP(9)GSH(10)PLP(11)QH2(12)SAM(13)glyphosate(14)glycocholate(15)atrazine(16)hypo

2、xanthine(17)methotrexate(18)allopurinol(19)phophatidate(20)activateddiacylglycerol(21)cardiolipin(22)N-glycolylneuraminate(23)mevalonate(24)lovastatinIIMultiplechoices(2x35=70)1.ElectronsfromcytoplasmicNADHcanenterthemitochondrialelectron-transportchai

3、nthroughglycerol3-phosphateshuttle,generatingmoleculesofATPperoneNADHwhentheelectronsaretransferredtooxygen.(A)1.5(B)2.5(C)3.5(D)02.TheuptakeoflactosebylactosepermeaseisdrivenbyinE.coli.(A)ATPhydrolysis(B)H+gradientacrossthemembrane(C)aproteincomplexno

4、texaminedintensively(D)-----3.Approximately50%ofthetherapeuticdrugsthatweusetargetreceptors.(A)insulin(B)epidermalgrowthfactor(C)epinephrine(D)G-proteincoupled4.Phosphorylationofpyruvatedehydrogenasewill_______theenzyme.(A)activate(B)inactivate(C)destr

5、oy(D)stabilize5.Gprotein,aheterotrimerconsistinga,bandgsubunits,isanchoredtothemembraneby.(A)transmembranehelix(B)transmembraneb-stand(C)covalentlyattachedfattyacids(D)theinteractionwithreceptors6.AngiotensinIIreceptor,apeptidehormone,controlsbloodpres

6、surethrough.(A)cAMPcascade(B)CaM(C)phosphoinositidecascade(D)cGMP7.Bothsecondmessengersinositol1,4,5-trisphosphate(IP3)anddiacylglycerol(DAG)canbegeneratedthroughthecleavageofPIP2with.(A)theactivativeIP3synthase(B)theactivativebisoformofphospholipaseC(

7、C)theactivativePIP2synthase(D)theactivativephopholipaseA8.Fura-2isafluorescentdyeusedinthemonitoringtheconcentrationofcalciuminrealtime.Whentheregentsbindtocalcium,theirfluorescentproperties.(A)willbechanged(B)aremaintainedbutthefluorescentintensitiesa

8、rechanged(C)aremaintained(D)willbeimproved9.ProteinkinaseA(PKA)consistsoftworegulatory(R)chainsandtwocatalytic(C)chains,i.e.R2C2.ThecomplexwillbecatalyticallyinactivetheregulatorychainsbindtocAMPs.(A)unless(B)if(C)although(D)or10.EF-han