- 問題詳情:下面是四種不同質粒的示意圖,其中ori爲複製必需的序列,amp爲氨苄青黴素抗*基因,tet爲四環素抗*基因,箭頭表示同一種限制*內切酶的酶切位點。下列有關敘述正確的是( ) A.基因amp和tet是一對等位基因,常作爲基因工程中的標記基因 B.質粒指細菌細胞中能自我復...
- 4253
- 問題詳情:在公比q1的等比數列{an}中,若am=p,則am+n的值爲 ( )(A)pqn+1 (B)pqn-1 (C)pqn (D)pqm+n-1【回答】C知識點:數列題型:選擇題...
- 10500
- 問題詳情:下圖是某質粒示意圖,其中ori爲質粒複製所必需的核苷*序列,amp爲氨苄青黴素抗*基因,tet爲四環素抗*基因,箭頭表示目的基因*入位點。受體大腸桿菌細胞內原來不含有這兩種抗生素抗*基因。下列有關敘述正確的是( )A.amp和tet是一對等位基因,常作爲基因工程的標記基...
- 8469
- 問題詳情:下圖是某質粒的示意圖,其中ori爲複製必需的序列,amp爲氨苄青黴素抗*基因,tet爲四環素抗*基因,箭頭表示酶切後目的基因*入位點。下列有關敘述正確的是( )A.基因amp和tet是一對等位基因,常作爲基因工程中的標記基因B.將重組質粒124匯入大腸桿菌,大腸桿菌都能在含氨苄青黴...
- 8599
- 問題詳情: ATP是生物體內重要的能源物質,下圖爲生物體內ATP、ADP、AMP相互轉化示意圖,據圖並結合合理的推理判斷下列有關敘述中錯誤的是①參與*過程的反應物只有ATP②AMP可以作爲合成ADP及mRNA的原料③丁過程中合成ATP所需能量可以來自光能、化學能和熱能④催化乙過程和*過...
- 11392
- 問題詳情:腺苷*激酶存在於線粒體的內外膜間隙中,它能將ATP分子末端的**基團轉移至腺嘌呤核糖核苷*(AMP)上,結果產生A.一分子AMP和一分子ADP B.兩分子ADP C.一分子ATP和一分子ADP D.一分子ADP【回答】C知識點:酶與ATP題型:選擇題...
- 29668
- Toampupthelookevenmoreaddabejewelledhairpinclipononesideofthehairline.GothamiskeepingitspromisetoampupthecrazyinSeason3withanewsizzlereelthatpromises"HeroesWillFall"andsignalstheriseofthemysteriousCourtofOwls.YoucanampupAntoninDvorák'sSymphonyNo....
- 25746
- 當amp上升,耐力代謝很快。HereisLivwithherowndesignedcashmerecapecardiganforLutz&Patmos!Usingup/downarrowkeys,highlightRANGEonDRBscreen(screenwilldefaultto2ampscale).Isuspecttheydon'tknow;theyjustcrankuptheamptotheMaxtogetalotofjanglyjitter,anddon...
- 29857
- 問題詳情:---Jenny,shallwewatchthemovieFast&Farious7thisweekend?---Itsounds_______!Ican’twaittoseeit!A.strange B.bad C.great D.awful【回答】C知識點:相似相近詞比較題型:選擇題...
- 6516
- 問題詳情: AMemberofCOMFORTDELGROComfortableairport&citytransfers:MaxiCab(seats6passengers)BookingHotline:+6565428297…orbookattheAirportShuttlecounteratTerminalIorTerminal2 MaxiCabService ...
- 31541
- 問題詳情: TheFloorsforBuildingE&MTheModernWorldEnglishSchoolFloorTheNewCityMusicCenterFloorMrLarrySmithPrincipal(校長)1stBar&Cafe4thRestrooms1stRestrooms4thEnglishTeachers’office2ndMusicTapes&andDVDs5thEnglishClassrooms2ndMovieTapes&am...
- 31654
- 問題詳情:閱讀理解SweetTomatoes Salad&Fruit&Vegetables Eatasmuchasyoucan! Saygoodbyetoanymeat,enjoyfruitandvegetables! Adult¥60 Child(6-12)¥30 (under6)free ...
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- 問題詳情: Me&MissBeeWhenIspentthesummerwithmygrandmotherinWarwick,N.Y.,shesentmedowntothegrocerystorewithalist.HowcouldIhopetofindanythingonthepacked,messyshelvesaroundme?Behindthe...
- 14406
- 問題詳情: Whenwewerekids,mylittlesisterMadisonandIweretheM&Ms—myparents'twodaughters.____36____SoitwasquiteasurprisewhenmymomanddadsatusdowntoletusknowthatbabynumberthreewasonthewaywhenIwas10yearsold.However,assoonasmybrotherMacwasborn,heco...
- 9143
- 問題詳情:HaveFun&LearninLittleRabbitWepickupyourchildrenatschoolandgivethemasafeplacetoplay,dohomework,andlearnafterschool.ExperiencedTeachers/Lunch&Snacks/Toys&BooksAges: 6to12Subjects: Languages,Maths,Computer,MusicOpentime...
- 9787
- 問題詳情:DuringtheWashingtonState4ATrack&FieldChampionships,AndreaNelson,receivedherbesttimeinthe3,200-meterrace.61itwasAndrea’sbesttime,hersecond-placefinishwas62secondsbehindthewinner.Withinafewminutesaftertheevent,thejudgesmadea(n)63thatleftru...
- 4295
- 問題詳情: I’mpartoftheRoots&ShootsprogramfoundedbyDr.JaneGoodall.Theprogramisintendedtomakeandpromotepositivechangesintheworld.AsDr.Goodallsays,“Whatyoudomakesadifference,andyouhavetodecidewhatkindofdifferenceyouwanttomake.” ...
- 16276
- 問題詳情:OursitespecializesinEuropeancyclingtours,Bike&BoatTours,RoadBikeToursandnowRiverCruisesthroughoutEurope,Asia,andtheAmericas.Wetakegreatprideinofferingyouthebestservicesandinprovidingyouwithavacationthatwillbefondlyremembered.WhetheritisaE...
- 17222
- 問題詳情:TheLakeDistrictAttractionsGuideDalemainMansion&HistoricGardensHistory,Culture&Landscape(景觀).Discoverandenjoy4centuriesofhistory,5acresofcelebratedandaward-winninggardenswithparklandwalk.OwnedbytheHasellfamilysince1679,hometotheInter...
- 25497
- 問題詳情:Food, Drink&RefreshmentRelaxandunwindinournewstateoftheLochNessEatery.Whetheryouarelookingforasnackorafullmealwecanprovidealmostanythingtosuiteveryone.Wewillbereadyforhelpingyouatalltimes.★FreshTea.Coffee,HotChocolateetc.★GoodchoiceofH...
- 13833
- 問題詳情:Lost&FoundcaseIlostmyredschoolbaginourlibrary.Somekeysareinit.Imustfindit.Pleasecallmeatkyou.Jason:-)Found:Awhitewatchisunderadeskintheclassroom.Isityours?PleaseaskMr.Hansonforit.Histelephonenumberis8462523.Alan,yourbaseballisonthetableof...
- 30785
- 問題詳情:Museums&Attractions—ThingstodoinLondonIntheCompanyofCooksUntilSatJun19 ImperialWarMuseumThesecookeryexhibitsandtalksareinspiredbythemuseum’s‘TheMinistryofFood’exhibitionandlookathowwartimeadvicewasputintopractice.‘TheKitchenFront’(...
- 20384
- 問題詳情:Q&AQuestion:Ihaverecentlygotaseniorpositionwithinmycompany.Oneofmynewtasksistomakemonthlyprogressreportsonmydepartmentinfrontofotherseniorofficials.Duringmyfirstmeeting,Ipresentedandthenopenedthefloortoquestions. 16 _Myfirstreactionwastoa...
- 23425
- 問題詳情:—WouldyouliketowatchthefilmFast&Furious7withmetonight? —IstillwanttoseeitagainalthoughI ittwoweeksago.A.havewatched B.waswatching C.watched D.watch【回答】 C知識點:動詞...
- 11828
- 問題詳情:VolunteersforHalloweenSaturday&Sunday,October26&27It'stimeforProspectPark'sghoststocomeout!JointhecommunitytraditionofHalloweeninProspectParkandsignuptobecomevolunteersfortheevents.Wearenowlookingfor10,000volunteerstohelptheCarnival(...
- 14545