第五单元蛋白质的生物合成---翻译BiochemistryMolecularbiology第三部分翻译的过程(2)核糖体循环(Ribosomalcycle)的三个步骤进位(Entrance)成肽(Peptidebondformation)转位(Translocation)Elongation二、翻译的延长三个延长因子:EF-Tu,EF-Ts,EF-G(1)entrance,进位(registration)(2)Peptidebondformation(成肽)Transpeptidase,转肽酶(3)Translocation,转位EFGPeptidebondformationEntrancetranslocationTuTsGElongati...
第五单元蛋白质的生物合成---翻译BiochemistryMolecularbiology第三部分翻译的过程翻译的起始就是将各种参与翻译的物质组装成起始复合物的过程。一、翻译的起始三个起始因子:IF-1,IF-2,IF-3四个基本步骤(一)原核生物翻译的起始DissociationoftworibosomalsubunitsmRNAbindstosmallsubunitfMet-tRNAbindstothecomplexLargesubunitbindstothecomplexInitiationfactors,IF:IF-1,IF-2,IF-3Fourstepstoformtheinitiationco...
第五单元蛋白质的生物合成ProteinBiosynthesisBiochemistry本章要点1.遗传密码子的特点,起始及终止密码子。2.氨基酸与tRNA的连接方式及酶。3.翻译的主要步骤及重要蛋白质因子的功能。第一部分翻译的体系•模板:mRNA•底物:20种氨基酸•载体:tRNA•场所:ribosome•酶/蛋白质因子:氨基酰-tRNA合成酶IF/eIF,EF,RF•能量:ATP,GTPMarshallW.Nirenberg(1927-2010)HarG.Khorana(1922-2011)RobertW.Holley(1922-1993)1968年诺贝尔生理...
蛋白质的生物合成(一)细菌中翻译的起始一、翻译的起始的先发事件1.tRNA负载2.核糖体大小亚基分离tRNA负载1氨基酸活化2tRNA负载不正确的氨基酸将被移除不正确的氨基酸氨酰-tRNA合成酶:它将特定氨基酸与其相应的tRNA偶联tRNA分子:其反密码子与mRNA上的适当密码子形成碱基对氨酰tRNA合成酶的专一性(二)、核糖体的解离•30S亚基•模板mRNA•携带甲酰甲硫氨酸的起始tRNA•3个翻译的起始因子IF1、IF2、IF3•GTP•50S亚基•镁离...
寡人之于国也孟子孟子(约前372~前289)走近作者孟子名,字时期邹国人,儒家学派代表人,后人把他与孔子合称并尊称他为,《孟子》是记录孟子、思想其言行的部著轲子舆战国孔孟亚圣仁政民贵君轻孟母一迁孟母二迁孟母三迁孟母断织孟子醉心研究,终于名声大噪,邹国和鲁国国君也时常向他请教治国之道。可惜邹、鲁这样的小国,很难实施孟子“仁政”的抱负。他决定带着学生到东方大国齐国去。但是齐国所采取的是锻炼精兵使国家更为富...
1DogsPeopleoftensaythatadogismansbestfriend.Overthousandsofyears,manhastaughthisdogstodomanykindsofworkbesidesguardingthehome.Forexample,sheepdogsarefamousfortheirabilitytocontrolaflockofhundredsofsheep.Dogshavebeenusedtoaiddisabledpeopleforcenturies.Aguidedogcanleaditsblindowner.Nowadays,dogscanbetaughttoturnonlightswitches,openrefrigeratordoorsanddialthetelephonefortheirdisabledowners.Forthem...
Directions:Foreachofthefollowingsentences,thereisablank.CompletethesentencesbytranslatingintoEnglishtheChinesegiveninbrackets.翻译题一1.Ihavehadgreatdealoftrouble______________________________.(跟得上班上的其他同学)2.___________(我们没有人料到主席会出现)attheparty.Wethoughthewasstillinhospital.3.Agoodmanyproposalswereraisedbythedelegates,________________(正如预料的那样).4.Mostdoctorsrecognize...
Unit11.TheTajMahalismadeoffinewhitemarble.2.FewbuildingsonearthcancompetewiththebeautyoftheTajMahal.3.Thegreentreesinthegardenmakethewhitewalllookevenwhiter.4.Bythepool,youcanseeyourownreflectioninthewater.5.Thehouseisperfectforourfamily.Unit21.IeohMingPeihasmadegreatcontributionstothearchitectureoftheworld.2.Heissomeonewhohastrulyinfluencedthemodernarchitectureworld.3.Wehaveattemptedtostophisa...
震撼世界的审判约翰•司科普斯在一九二五年七月的那个酷热日子里,当我在挤得水泄不通的法庭里就位时,人群中响起一阵嘁嘁喳喳的议论声。我的辩护人是著名刑事辩护律师克拉伦斯•达罗。担任主控官的则是能说会道的演说家威廉•詹宁斯•布莱恩,他曾三次被民主党提名为美国总统候选人,而且还是导致我这次受审的基督教原教旨主义运动的领导人。几个星期之前,我还只是田纳西州山区小镇戴顿的一名默默无闻的中学教员,而现在我却...
1.选修七Unit1MARTY’SSTORY马蒂的故事Hi,mynameisMartyFieldingandIguessyoucouldsaythatIamoneinamillion.你好。我叫马蒂菲尔丁。我想你可能会说我是“百万人中才有一个”的那种人。Inotherwords,therearenotmanypeoplelikeme.换句话说,世界上像我这样的人并不多见。Yousee,Ihaveamusclediseasewhichmakesmeveryweak,soIcantrunorclimbstairsasquicklyasotherpeople.你瞧,我的肌肉有毛病,使我的身体非常虚弱,所以我不能像...
新概念英语第2册课文1Aprivateconversation私人谈话LastweekIwenttothetheatre.Ihadaverygoodseat.Theplaywasveryinteresting.Ididnotenjoyit.Ayoungmanandayoungwomanweresittingbehindme.Theyweretalkingloudly.Igotveryangry.Icouldnotheartheactors.Iturnedround.Ilookedatthemanandthewomanangrily.Theydidnotpayanyattention.Intheend,Icouldnotbearit.Iturnedroundagain.Icanthearaword!Isaidangrily.Itsnoneofyourbusin...
第一单元如何成为一个成功的语言学习者TEXTAHowcanyoulearnaforeignlanguagewell?Accordingtotheauthorofthistext,youmightneedtothinkinanewway,aprocessalmostlikegoingbacktochildhoodagain如何学好一门外语?根据这篇文章的作者,你也许需要用一种新的方式去思考,这一过程几乎像是再次回到童年。。。LearningtoThinkAllOverAgain学会重新思考Whenyouwereachild,youdidn’tknowwhatatreewasatfirst.Somebodyhadtotellyou.Pr...
Unit11.Altogether,over20,000menworkedonthebuilding,andittookthemoverseventeenyearstofinishit总共有两万多人曾建造这个建筑,花了17年多才完成了这个建筑。2.Thebuildingismadeoffinewhitemarblewithinlaysofcoloredmarble.这个建筑是用洁白的大理石筑城,有着彩色大理石的镶嵌。3.Thenthemarblepicksupthecolorthesunset,andthebuildinganditsreflectioninthepoolgleamlikepinkjewels.那时,大理石染缀着落日的余晖。整个...
1.必修三Unit1Festivalsandcelebrations节日和庆典Festivalsandcelebrationsofallkindshavebeenheldeverywheresinceancienttimes.自古以来,世界各地就有各种各样的节日和庆典。Mostancientfestivalswouldcelebratetheendofcoldweather,plantinginspringandharvestinautumn.最古老的节日总是庆祝严寒的结束、春季的种植和秋天的收割。Sometimescelebratewouldbeheldafterhuntershadcaughtanimals.有时,在猎人捕获猎物后,也举...
自动化专业本科毕业设计英文翻译学院(部):专业班级:学生姓名:指导教师:年月日ProgrammableLogicControllerONE:PLCoverviewProgrammablecontrolleristhefirstinthelate1960sintheUnitedStates,thencalledPLCprogrammablelogiccontroller(ProgrammableLogicController)isusedtoreplacerelays.Fortheimplementationofthelogicaljudgment,timing,sequencenumber,andothercontrolfunctions.TheconceptispresentedPLCGeneralMoto...
建设节约型社会刻不容缓Buildingaconservation-mindedsocietywithoutdelay英语1401林熹薇谢雪玲武思瑶邹俊妮01背景资料Background03归纳总结Conclusion02文本翻译Translation目录CONTENT01背景资料Background01背景资料Background节约型社会节约型社会是指在生产、流通、消费等领域,尽可能节约资源和减少资源消耗,并获得大的经济和社会收益的社会形态。“节约”有两层涵义:一是杜绝浪费,即要求我们在经济运行中减少对资源消...
SelectingtheRightDataAcquisitionSystemEngineersoftenmustmonitorahandfulofsignalsoverextendedperiodsoftime,andthengraphandanalyzetheresultingdata.Theneedtomonitor,recordandanalyzedataarisesinawiderangeofapplications,includingthedesign-verificationstageofproductdevelopment,environmentalchambermonitoring,componentinspection,benchtoptestingandprocesstrouble-shooting.Thisapplicationnotedescribesthev...
Unit6AFrenchFourthCharlesTrueheart1Alongaboutthistimeeveryyear,asIndependenceDayapproaches,IpullanoldAmericanflagoutofabottomdrawerwhereitisfoldedaway-foldedinasquare,Iadmit,nottheregulationtriangle.I’vehaditalongtimeandhavealwaysflownitoutsideonJuly4.HereinParisithangsfromafourth-floorbalconyvisiblefromthestreet.I’veneverseenanyonelookup,butinmymind’seyeanAmericantouristmaynoticeitandsmile...
六级翻译内部资料大学英语六级翻译分项训练(含答案及详解)一、倍数增减的表示法1)ForceN1_______________(比力N2大2.5倍).2)Thissubstance_______________(反应速度是另外那种物质的三倍).3)Theearth_______________(是月球大小的49倍).4)Thelandlord_______________(想将租金提高三分之一).5)They_______________(计划将投资增加一倍).二、时态1)Bequick,_______________(否则等我们到达教结束了).2)Whenshegothome,________...
1.华清宫;TheHuaqingPoolislocatedintheLintongDistrict30kmeasttotheurbanareaofXian.WithMount.LitoitssouthandtheWeiRivertoitsnorth,itboaststhenaturalhotsprings.Thefavorablegeographicalconditionandnaturalenvironmentmakeitoneofthecradleswhereancientpeoplesettledand.Itwasalsoafavoriteplaceforemperorstobuildtheirpalacesasaresort.Sinceancienttimes,ithaseverbeenafamousbathingandtouristdestination.Accord...