生化试题3Word文档下载推荐.docx
- 文档编号:7199729
- 上传时间:2023-05-08
- 格式:DOCX
- 页数:22
- 大小:302.41KB
生化试题3Word文档下载推荐.docx
《生化试题3Word文档下载推荐.docx》由会员分享,可在线阅读,更多相关《生化试题3Word文档下载推荐.docx(22页珍藏版)》请在冰点文库上搜索。
(D)(刘金鑫)
A.β-D-glucopyranosyl-(1-4)β-D-glucopyranose.
B.Glucosidicbonds.
C.Molecularform.
D.Element’sclass.
6.Whichclassisthespecialone?
(A)(刘金鑫)
A.Sucrose
B.βanomeroflactose
C.βanomerofcellobiose.
D.βanomerofmaltose.
7.Whichofthefollowingisbelongtomonosaccharide?
(C)(陈凯榕)
A.starchB.sucrose
C.galactoseD.lactose
8.Whichofthefollowingoptionsiswrong?
A.Monosaccharideringsarenotactuallyplanar.
B.Forpyranoserings,thechairconformationsaregenerallymorestablethanboatconformations.
C.Inketoses,themostoxidizedcarbonatomisusuallyC-1.
D.Inplantcells,starchispresentasamixtureofamyloseandamylopectin.
9.Whichofthefollowingcontainsα-(1→4)glycosidicbond?
(C)(贾晓玲)
A.maltoseandsucrose
B.lactoseandcellobiose
C.maltoseandamylose
D.raffinoseandchitin
10.Whichofthefollowingsaccharidesarenonreducingsugars?
(A)(赵丹)
A.sucroseB.glucoseC.lactoseD.cellobiose
11.Howdoestheglycosidicbondsforminsucrose?
(A)(赵丹)
A.α-(1→2)-βB.α-(1→4)-βC.β-(1→2)D.β-(1→4)
12.Whichofthefollowingdisaccharidescontainsafruanoseresidues?
(C)(季永甜)
A.maltoseB.cellobioseC.sucroseD.lactose
13.Whichofthefollowingpolysaccharidescanyieldderivativesofmonosaccharideswhentheyarethoroughlyhydrolyzedcatalyzedbyrevelantenzymes?
(B)(季永甜)
A.starchB.chitinC.glycogenD.cellulose
14.Whichofthefollowingdisaccharideshasnon-reducingend?
(D)(任欣如)
A.maltoseB.cellobioseC.lactoseD.sucrose
15.Whichofthefollowingstatementaboutamylopectinistrue?
A.It’ssidechainsareconnectedbyα-(1-6)glucosidicbondswhilethelinearchainsoftheresiduesarelinkedbyα-(1-4)glucosidicbonds.
B.It’ssidechainsareconnectedbyα-(1-4)glucosidicbondswhilethelinearchainsoftheresiduesarelinkedbyα-(1-6)glucosidicbonds.
C.Bothitssidechainandlinearchainareconnectedbyα-(1-6)glucosidicbondsandα-(1-4)glucosidicbondsrandomly.
D.Bothitssidechainandlinearchainareconnectedbyα-(1-4)glucosidicbonds,however,thesidechainisattachedviaα-(1-6)glucosidicbondstothelinearchainofresidues.
16.Choosethesmallestmonosaccharide(B)(杨司韵)
a.riboseb.triosec.glucosed.erythrose
17.Whicholigosaccharideshavethenonreducingend?
(B)(杨司韵)
A.maltoseb.sucrosec.lactosed.Cellobiose
18.Whichofthefollowingistherightstructureofraffinose?
(A)(曹文清)
A.galα(1-6)gluβ(1-2)fruB.gluα(1-6)gluβ(1-4)gluC.galα(1-4)gluβ(1-6)fruD.gluα(1-2)galβ(1-6)glu
19.WhichisthecorrectFischerprojectionofD-Glucose(A)(陈璐)
A.
B.
C.
D.
20.WhichisthecorrectHaworthprojectionofsucrose?
(B)(陈璐)
A
C.
D.
21.whichofthefollowingsisnottrue?
(B)(王苏韦)
A.Thethree-carbonaldose,glyceraldehyde,hasonlyasinglechiralatom(C-2)andthereforeonlytwostereoisomers.
B.Therearetwostereoisomersforaldotetrosesbecauseerythroseandthreoseeachpossesstwochiralcarbonatoms.
C.Sugarmoleculesthatdifferinconfigurationatonlyoneofseveralchiralcentersarecalledepimers.
D.Longer-chainketosesarerelatedtodihydroxy-acetoneinthesamewaythatlonger-chainaldosesarerelatedtoglyceraldehyde.
22.Whichofthefollowingsisnottrue?
A.Themostoxidizedcarbonofacyclizedmonosaccharide,theoneattachedtotwooxygenatoms,isreferredtoastheanomericcarbon.
B.Aldoseandketosesthatformringstructureequilibrateamongtheirvariouscyclicandopen-chainforms.
C.AHaworthprojectionsofcarbohydratesandfirstproposedtheserepresentations.
D.Likeotherpolymer-formingbiomolecules,monosaccharidesandtheirderivativeshaveabbreviationsusedindescribingmorecomplexpolysaccharides.
23.InHaworthprojectionsofD-gluthe-CH2OHgroupwillalwayspoint(C)(孙文雅)
AleftBrightCupwardsDdownwards
24.βsheetsistheofproteins.(B)(孙文雅)
AprimarystructureBsecondarystructureCteriarystructureDquaternarystructure
25.Readthefollowingfourchoices,inwhichthetwocarbohydrateshavethesameglycosidicbonds?
(C)(李静雯)
A、chitin,lactose
B、amylose,amylopectin
C、amylopectin,glycogen
D、maltose,cellubiose
26.D-mannoseisa_______ofD-glucose.(A)(李静雯)
A、epimer
B、enantiomer
C、anomer
D、functionalisomer
27.WhichisnottheepimerofD-Mannose?
(B)(李芳)
A.D-GlucoseB.D-GalactoseC.D-AltroseD.D-Talose
28.Whichisnon-reducingsugarofthefollowingoptions?
(B)(吕坤)
A.maltose
B.sucrose
C.xylose
D.fructose
29.Glucoseundertheconditionoflightbasicenvironment,itwillchangeto?
(A)(王远迪)
A.fructoseandmannose
B.fructoseandmaltose
C.lactoseandmannose
D.maltoseandmannose
30.Whicholigosaccharidehasthethereducingproperty?
(B)(李锦民)
A.sucroseB.lactoseC.mannoseD.raffinose
31.α-D-glucoseandβ-D-glucosewhichfollowingisture?
(C)(李锦民)
A.theyareepimersB.theyareenautiomers
C.theyareanomerD.theyarestereoisomerts
32.Whichoneisamonosaccharide?
(D)(王田园)
B.Maltose
C.Lactose
D.Galactose
33.Insucrose,shownbelow,whichbondisanα-glucosidiclinkage?
(C)(王田园)
A.I
B.II
C.III
D.IV
34.D-GlucoseandL-Glucosearecalled.(D)(王田园)
A、anomersB、epimersC、cis-transisomerismsD、enantiomers
35.Whichistheglucose?
(B)(谢煜骅)
A.
B.
C.
D.
36.Whichofthefollowingsugarsisnonreducingsugar?
(A)(谢煜骅)
A
B
C
D
37.VitaminCbelongsto_______(C)(张文博)
A.sugeracids.B.shgeralcoholsC.ascorbicacidD.deoxysugars
38.Whichofthefollowingopinionsiswrong?
(A)(张文博)
Aglycoproteinsareakindofproteoglycans
Bglycoproteinsandproteoglycansareconjugatedsugars
Cinaplycoprotein,thechainsofoligosaccharidesandproteinsarelinkedbyglycopeptidelinkage
Dglycoproteinscontainmainlyproteinsratherthanoligosaccharide
39.α-D-glucoseandβ-D-glucoseare(D)(张文博)
Acis-transisomer
Bepimer
Cenantiomer
Danomer
40.HowmanyReducingenddoesaGlycogenhave?
(A)(何彦锋)
A.1
B.2
C.3
D.4
41.whatisSucrose’sglycosidicbond?
(A)(何彦锋)
A.Glc(α1→β2)Fru
B.Galβ(1→4)Fru
C.Glcα(1→4)Glc
D.Glc(α1→β2)Fru
42.whichofthefollowingaretheglycosidicbondsoftheAmylopectin?
A.α-1,4;
α-1,6
B.α-1,4;
β-1,6
C.β-1,4;
D.β-1,4;
43.WhichkindofcarbohydrateisthestructuralformulainFigure1standfor?
(C)
A.α-D-glucose
B.β-D-glucose
C.α-D-galactose
D.β-D-galactose
生物093第八章题目汇总
1.WhichkindofforceisthemostimportanttokeeptheDNAdoublehelixstable?
(A)(刘金鑫)
A.Basestackingforce
B.Covalentbond
C.Hydrogenbond
D.Phosphodiesterbond
2.Inthosenucleicacid,whichonehasthelargestrarebases?
A.tRNAB.mRNAC.rRNAD.dsRNA
3.WhichofthefollowingisthestructureofGuanine?
(C)(王声远)
B.
C.
D.
4.Whichisnotthefourtypesofinteractionsaffecttheconformationofdouble-strandedDNA?
(D)(陈璐)
A\StackinginteractionsB、Hydrogenbond
C、HydrophobiceffectsD、Hydrophiliceffects
5.ThecontentofadenineinaDNAmoleculeis15%,thenthecontentofcytosineshouldbe(C)(吕坤)
A.15%B.30%C.35%D.40%
6.Thewayoftheconnectionbetweenthenucleotidesinthenucleicacidis(B)(吕坤)
A.2'
,3'
-phosphodiesterlinkage
B.3'
5'
C.glucosidicbond
D.peptidebond
7.WhichkindofDNAisleft-handedhelix?
(D)(孙文雅)
A.B-DNAB.A-DNAC.H-DNAD.Z-DNA
8.WhichofthefollowingstatementaboutRNAisnottrue?
(D)(陈凯榕)
A.Transcriptionbeginsatapromotersequenceandproceedsinthe5’→3’direction.
B.Tofunctionproperly,allmaturetRNAmoleculesmusthavethesequenceCCAattheir3’end.
C.TheprocessingofribosomalRNAiscoupledtoribosomeassembly.
D.ProcessingofmRNAineukaryotesincludestheadditionofa3’capanda5’polyAtail.
9.Whichofthefollowingisnottrue?
A.Nucleicacidsrepresentthefourthmajorclassofmacromolecules.
B.Pyrimidinehasasingleringcontaining2carbonand4nitrogenatoms.
C.Bothpyrimidinesandpurinesareunsaturated.
D.Theaminoandlactamtautomersaremorestableinsidemostcells.
10.WhichoneisrightabouttRNA?
(B)(王盛)
A、Itcancarryactivatedaminoacidswithits5’-terminus.
B、Itcancarryactivatedaminoacidswithits3’-terminus.
C、ItstertiarystructurejustliketheleafofTri
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 生化 试题