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发生底物水平磷酸化的过程是（）
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发生底物水平磷酸化的过程是
6-磷酸果糖→1，6-双磷酸果糖
3-磷酸甘油酸→丙酮酸
丙酮酸→乳酸
6-磷酸葡萄糖→6-磷酸果糖
底物水平磷酸化substratelevelphosphorylation
底物水平磷酸化substrate—levelphosphorylation
发生底物水平磷酸化的过程是
6-磷酸果糖→1,6-双磷酸果糖
3-磷酸甘油酸→丙酮酸
丙酮酸→乳酸
6-磷酸葡萄糖→6-磷酸果糖
丙酮酸→乙酰CoA
底物水平磷酸化和电子传递磷酸化的区别
不产氧光合细菌通过产生ATP
非循环光合磷酸化
循环光合磷酸化
氧化磷酸化
底物水平磷酸化
以上都不对
底物水平的磷酸化
ATP生成的主要方式是
肌酸磷酸化
氧化磷酸化
糖的磷酸化
底物水平磷酸化
底物水平磷酸化substratephosphorylation
底物水平磷酸化氧化磷酸化都需要氧的参与
底物水平磷酸化和氧化磷酸化都需要氧气的参与
TCA循环中发生底物水平磷酸化的化合物是
α-酮戊二酸
琥珀酰
琥珀酸CoA
苹果酸
比较底物水平磷酸化与氧化磷酸化二者的异同
ATP生成的主要方式是
肌酸磷酸化
氧化磷酸化
糖的磷酸化
底物水平磷酸化
有机酸脱羧
糖酵解过程中发生次底物水平磷酸化在TCA循环中发生次底物水平磷酸化
什么加底物水平磷酸化氧化磷酸化和光合磷酸化
底物水平磷酸化
底物水平磷酸化作用
底物水平磷酸化只存在于发酵过程
比较底物水平磷酸化氧化磷酸化和光合磷酸化
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It’’safunnythinghappiness.Peoplerefertoitassomethingtheywantsomethingmissingasifitcouldbesecurediftheyonlyknewwheretofindit.Lackofitisblamedonpastrelationshipsandhopeforitplacedonfuturelovers.Desireforitbecomesarestlessquest.Yetoverandagainintherapyitisclearthatahungrypursuitfortheillusivestateofhappinessonlyendsinfrustrationandyetmoreunhappiness. WhenIaskamanwho’’sjustturned40andwantstotrypsychotherapytotellmeaboutthedisappointmentshementionshereelsoffalist:aloveaffairthatlostitszest;aworkprojectruinedbyacolleague;aholidayspoiledbytheweather;aplanhaltedbyillhealth.Allwerepotentialroutestohappiness.Anditisthisendlessfeelingofthingsbeingspoiltthatmakeshimfeelletdownbylifeandunhappy. Hetellsmethathehadbeenawillfulchild.Hewashesaysspoiltrottenbyverylovingparents.Theyhadsufferedmuchhardshipintheirownlivesandwhenhardworkandgoodluckmadethemwellofftheydecidedthathetheironlysonwouldhavealltheyhadlackedandmore. Hehadwantedfornothing.Yetthiscamewithacost.Forhavingeverythingonaplatebeforehehadevendevelopedanappetitehadrobbedhimofthechancetoreachandstruggleforsomethingmeaningfulandofhisveryown.Therehadneverbeenanemptyspacehehadenjoyedworkingtofill.Littlewonderhewasunabletoremainattachedtoanythingoranyoneafterfrustrationsetin.Workingthroughdifficultysimplyhadn’’teverbeenaskedofhim. Whilehopefullyaby-productofdevelopingemotionalmaturityhappinesswasnotItoldhimaspecifictherapeuticaim.Buttherapycouldofferthechallengetostaywithandsograduallyunderstandthemeaningofhisunhappinessratherthanboltingwhenthegoinggotrough.Thenotionthatwecanuncoverameaningwithinoursufferingsupportsthewholetherapeuticventure.Byworkingtowardsunderstandingthereasonsforhisdisappointmentsthismanhadthechancetobeginreshapinghisownlifejourney.Thiswasunlikelytogivehimhappinessasagivenconstantbutcouldenablehimtodevelopsomethingfarmoreimportant.AsC.G.JungthefounderofAnalyticalPsychologysaid:Theprincipalaimofpsychotherapyisnottotransportthepatienttoanimpossiblestateofhappinessbuttohelphimacquiresteadfastnessandphilosophicpatienceinthefaceofsuffering.Lifedemandsforitscompletionandfulfillmentabalancebetweenjoyandsorrow. Itisausualeasewithhappinessthat
Wesometimeshearthatessaysareanold-fashionedform.thatso-and-soisthelastessayistbutthefactsofthemarketplacearguequiteotherwise.Essaysofnearlyanykindaresomucheasierthanshortstoriesforawritertosellsomanymoreseeprintit’’sstrangethatthoughtwofineanthologiescollectionsremainthatpublishtheyear’’sbeststoriesnocomparablecollectionexistsforessays.Suchchangesinthereadingpublic’’stastearen’’talwaystothegoodneedlesstosay.Theartoftellingstoriespredatedevencavepaintingsurely;andifweeverfindourselveslivingincavesagainitwithpaintinganddrummingwillbetheonlyartleftaftermoviesnovelsphotographyessaysbiographyandalltheresthavegonedownthedrain―thearttobuildfrom. Essayshoweverhangsomewhereonalinebetweentwosturdypoles:thisiswhatIthinkandthisiswhatIam.Autobiographieswhicharen’’tnovelsaregenerallyextendedessaysindeed.Apersonalessayislikethehumanvoicetalkingitsorderbeingthemind’’snaturalflowinsteadofasystematizedoutlineofideas.Thoughmorechangeableorinformalthananarticleortreatisesomewhereitcontainsapointwhichisitsrealcenterevenifthepointcouldn’’tbeutteredinfewerwordsthantheessayisthasused.Essaysdon’’tusuallyboildowntoasummaryasarticlesdoandthestyleofthewriterhasanaptoitacombinationofpersonalityandoriginalityandenergeticlooseendsthatstanduplikethenap绒毛onapieceofwoolandcan’’tbebrushedflat.Essaysbelongtotheanimalkingdomwithasurfacethatgeneratessparkslikeacoatoffurcomparedwiththeflatconventionalcottonofthemagazinearticlewriterwhoworksinthevegetablekingdominstead.Butessaysontheotherhandmayhavefewerlevelsthanfictionbecausewearenotsupposedtoarguemuchabouttheirmeaning.Intheolddistinctionbetweenteachingandstorytellingtheessayisthowevercleverlyhetriestoconcealhisintentionsisabitofateacherorreformerandanessayisintendedtoconveythesamepointtoeachofus. Anessayistdoesn’’thavetotellthewholetruthandnothingbutthetruth;hecanshapeorshavehismemoriesaslongasthepurposeisservedofexplainingatruthfulpoint.Apersonalessayfrequentlyisnotautobiographicalataltbutwhatitdoeskeepincommonwithautobiographyisthatthroughitstoneandtumblingprogressionitconveysthequalityoftheauthor’’smind.Nothinggetsintheway.Becauseessaysaredirectlyconcernedwiththemindandthemind’’speculiaritytheveryfreedomthemindpossessesisconferredonthisbranchofliteraturethatdoeshonortoitandthefascinationofthemindisthefascinationoftheessay. Whatchieflydistinguishesessaysfromarticlesmaybein
Alargeproportionofthestudiesofbehaviorusedanimalsassubjectsespeciallypigeonsratsandrabbits.Thereareanumberofreasonswhyresearchersinthisfieldfrequentlychoosetoconducttheirexperimentswithnonhumansubjects.Firstofallthepossibilityofaplaceboeffectisminimizedwithanimalsubjects.46Whereasahumansubject’’sbehaviormaybedrasticallyalteredbytheknowledgethatheorsheisbeingobservedthisisunlikelywithanimalsubjectsbecausemoststudieswithanimalsubjectsareconductedinsuchawaythattheanimaldoesnotknowitsbehaviorisbeingmonitoredandrecorded.Furthermoreitisunlikelythatananimalsubjectwillbemotivatedeithertopleaseordispleasetheexperimenteramotivethatcanruinastudywithhumansubjects.Asecondreasonforusinganimalsubjectsisconvenience.Thespeciesmostcommonlyusedassubjectsareeasyandinexpensivetocareforandanimalsofaspecificageandsexcanbeobtainedinanyquantitiestheexperimenterneeds.47Onceanimalsubjectsareobtainedtheirparticipationisasregularastheexperimenter’’s--animalsubjectsneverfailtoshowupfortheirappointmentswhichisunfortunatelynotthecasewithhumansubjects. 48Probablythebiggestadvantageofdomesticatedanimalsubjectsisthattheirenvironmentcanbecontrolledtoamuchgreaterextentthanispossiblewitheitherwildanimalsorhumansubjects.Thisisespeciallyimportantinexperimentsonlearningwherepreviousexperiencecanhavealargeeffectonasubject’’sperformanceinanewlearningsituation.Likewiseifahumansubjecttriestosolvesomemysteryaspartofalearningexperimenttheexperimentercannotbesurehowmanysimilarproblemsthesubjecthasencounteredinhislifetime.49Whenanimalsarebredandraisedinthelaboratoryhowevertheirenvironmentscanbeconstructedtomakesurethattheyhavenocontactwithobjectsoreventssimilartothosetheywillencounterintheexperiment. Afinalreasonforusinganimalsubjectsisthatofcomparativesimplicity.50JustasachildtryingtolearnelectricityisbetteroffstartingwithaflashlightthanaradioresearchersmayhaveabetterchanceofdiscoveringthebasicprinciplesoflearningbyexaminingcreaturesthatarelessintelligentandlesscomplexthanhumanbeingsTheassumptionhereisthatalthoughhumanbeingsdifferfromotheranimalsinsomerespectstheyarealsosimilarinsomerespectsanditisthesecommonalitiesthatcanbeinvestigatedwithanimalsubjects.
下列哪项骨折最稳定
下列各项中不被6-巯基嘌呤核苷酸抑制的是
Wesometimeshearthatessaysareanold-fashionedform.thatso-and-soisthelastessayistbutthefactsofthemarketplacearguequiteotherwise.Essaysofnearlyanykindaresomucheasierthanshortstoriesforawritertosellsomanymoreseeprintit’’sstrangethatthoughtwofineanthologiescollectionsremainthatpublishtheyear’’sbeststoriesnocomparablecollectionexistsforessays.Suchchangesinthereadingpublic’’stastearen’’talwaystothegoodneedlesstosay.Theartoftellingstoriespredatedevencavepaintingsurely;andifweeverfindourselveslivingincavesagainitwithpaintinganddrummingwillbetheonlyartleftaftermoviesnovelsphotographyessaysbiographyandalltheresthavegonedownthedrain―thearttobuildfrom. Essayshoweverhangsomewhereonalinebetweentwosturdypoles:thisiswhatIthinkandthisiswhatIam.Autobiographieswhicharen’’tnovelsaregenerallyextendedessaysindeed.Apersonalessayislikethehumanvoicetalkingitsorderbeingthemind’’snaturalflowinsteadofasystematizedoutlineofideas.Thoughmorechangeableorinformalthananarticleortreatisesomewhereitcontainsapointwhichisitsrealcenterevenifthepointcouldn’’tbeutteredinfewerwordsthantheessayisthasused.Essaysdon’’tusuallyboildowntoasummaryasarticlesdoandthestyleofthewriterhasanaptoitacombinationofpersonalityandoriginalityandenergeticlooseendsthatstanduplikethenap绒毛onapieceofwoolandcan’’tbebrushedflat.Essaysbelongtotheanimalkingdomwithasurfacethatgeneratessparkslikeacoatoffurcomparedwiththeflatconventionalcottonofthemagazinearticlewriterwhoworksinthevegetablekingdominstead.Butessaysontheotherhandmayhavefewerlevelsthanfictionbecausewearenotsupposedtoarguemuchabouttheirmeaning.Intheolddistinctionbetweenteachingandstorytellingtheessayisthowevercleverlyhetriestoconcealhisintentionsisabitofateacherorreformerandanessayisintendedtoconveythesamepointtoeachofus. Anessayistdoesn’’thavetotellthewholetruthandnothingbutthetruth;hecanshapeorshavehismemoriesaslongasthepurposeisservedofexplainingatruthfulpoint.Apersonalessayfrequentlyisnotautobiographicalataltbutwhatitdoeskeepincommonwithautobiographyisthatthroughitstoneandtumblingprogressionitconveysthequalityoftheauthor’’smind.Nothinggetsintheway.Becauseessaysaredirectlyconcernedwiththemindandthemind’’speculiaritytheveryfreedomthemindpossessesisconferredonthisbranchofliteraturethatdoeshonortoitandthefascinationofthemindisthefascinationoftheessay. Theauthorassertsthatthechangesinreaders’’taste
下列各项中能使通气/血流比值升高的是
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
重度胃食管反流病的治疗应采用
Itwas3:45inthemorningwhenthevotewasfinallytaken.Aftersixmonthsofarguingandfinal16hoursofhotparliamentarydebatesAustralia’’sNorthernTerritorybecamethefirstlegalauthorityintheworldtoallowdoctorstotakethelivesofincurablyiiipatientswhowishtodie.Themeasurepassedbytheconvincingvoteof15to10.AlmostimmediatelywordflashedontheInternetandwaspickeduphalfaworldawaybyJohnHofsessexecutivedirectoroftheRighttoDieSocietyofCanada.Hesentitonviathegroup’’son-lineserviceDeathNET.SaysHofsess:Wepostedbulletinsalldaylongbecauseofcoursethisisn’’tjustsomethingthathappenedinAustralia.It’’sworldhistory. Thefullimportmaytakeawhiletosinkin.TheNTRightsoftheTerminallyIlllawhasleftphysiciansandcitizensaliketryingtodealwithitsmoralandpracticalimplications.Somehavebreathedsighsofrelief;othersincludingchurchesright-w-lifegroupsandtheAustralianMedicalAssociationbitterlyattackedthebillandthehasteofitspassage.Butthefideisunlikelytoturnback.InAustralia―whereanagingpopulationlife-extendingtechnology’’andchangingcommunityattitudeshaveallplayedtheirpart―otherstatesaregoingtoconsidermakingasimilarlawtodealwitheuthanasia.IntheUSandCanadawheretheright-to-diemovementisgatheringstrengthobserversarewaitingforthedominoestostartfalling. UnderthenewNorthernTerritorylawanadultpatientcanrequestdeath―probablybyadeadlyinjectionorpill―toputanendtosuffering.Thepatientmustbediagnosedasterminallyillbytwodoctors.Afteracoolingoffperiodofsevendaysthepatientcansignacertificateofrequest.After48hoursthewishfordeathcanbemet.ForLloydNicksona54-year-oldDarwinresidentsufferingfromlungcancertheNTRightsofTerminallyIlllawmeanshecangetonwithlivingwithoutthehauntingfearofhissufferingaterrifyingdeathfromhisbreathingcondition.I’’mnotafraidofdyingfromaspiritualpointofviewbutwhatIwasafraidofwashowI’’dgobecauseI’’vewatchedpeopledieinthehospitalfightingforoxygenandclawingattheirmaskshesays. Theauthor’’sattitudetowardseuthanasiaseemstobethatof________.
寡霉素通过什么方式干扰高能化合物ATP的合成
男性50岁诊断为非霍奇金淋巴瘤下列哪种说法不准确
抗角蛋白抗体包括的抗体下列哪项除外
下列关于条件反射的描述正确的是
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