上交生化考研练习题刘建华出test1

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1、14Chapter1Biochemistry:AnEvolvingScience这是上海交通大学生命科学学院生化刘建华老师出的本科生卷子，我因为找人弄到了，对生化题的改革有所准备，所以11年生化考的不错，起码是个三位数了，呵呵，如愿以偿地进入了上交生科院~~呵呵，还有很多，如果需要请QQ联系我，2519067730~~IMatchingQuestionsUsethefollowingtoanswerquestions1-10.Choosethecorrectanswerfromthelistbelow.Not

2、alloftheanswerswillbeused.a)uridineb)truec)DGd)thyminee)DHf)sugar-phosphateunitsg)covalenth)Archaeai)entropyj)asystemk)3l)2m)falsen)positiveo)negativeDNAismadefromthebuildingblocksadenine,guanine,cytosine,and____________.TheDNAbackboneismadefromrepeating___

3、_________.____________ThenumberofhydrogenbondsformedbetweenAandT.____________ThenumberofhydrogenbondsformedbetweenGandC.ThefundamentalgroupsoforganismsincludeEukarya,Bacteria,and____________.Thestrongestbondsinmoleculesare____________.Itisthathydrogenbondsa

4、reusuallystrongerthancovalentbonds.Allmatterwithinadefinedregionofspaceisrecognizedas.TheDGofaspontaneousreactioninspecifiedconditionsmustbe.isGibbsfreeenergy.IIMultipleChoice11.ThestructureofDNAdescribedbyWatsonandCrickincludedA)adoublehelix.B)thesugarphos

5、phatebackbonealignedinthecenterofthehelix.C)thebasepairsthatarestackedontheinsideofthedoublehelix.D)aandb.E)aandc.12.WhatdidWatsonandCricksuggesttobesignificantaboutthebasepairingfoundinthehelix?A)ItallowedtheDNAtotwistinahelix.B)TheDNAcouldbecircular.C)Itw

6、asamechanismforcopying.D)Alloftheabove.E)Noneoftheabove.14Chapter1Biochemistry:AnEvolvingScience13.Approximatelywhatpercentageofthehumangenomeencodesforproteins?A)50%B)90%C)10%D)3%E)Noneoftheabove.14.Whatgivesproteinssuchadominantroleinbiochemistry?A)thevar

7、iationinproteinsizesB)theabilitytoactasablueprintC)theirabilitytoself-replicateD)theirabilitytospontaneouslyfoldintocomplexthree-dimensionalstructuresE)Alloftheabove.15.Ifthewholechainisusedinanon-overlappingframe,howmanyaminoacidsaredefinedbythisDNAsequenc

8、e:ATGTTTGGACTA?A)fourB)twoC)twelveD)sixE)three16.Whatisthe[H+]concentrationinaurinesamplethathasapHof6?A)10-6MB)10-8MC)106MD)10-14ME)8M17.Whichofthefollowingisconsideredasanoncovalentbond?A)electrostat