【精品】Unit3Lesson1WhoseCDSarethose?(练习及解析)北师大版(三起)〔2019秋〕-四年级英语上册一、看图连线。1.2.3.A.CDSB.TVC.chair4.5.6.D.computerE.bookF.candy7.8.9.G.umbrellaH.radioI.table【答案】1.B2.C3.A4.F5.D6.E7.G8.I9.H二、选出不同类的一项。()1.A.tableB.chairC.whose()2.A.UncleB.radioC.Aunt()3.A.umbrellaB.thisC.those()4.A.bookB.lookC.computer()5.A.helpB.worryC.new【答案】1.C2.B3.A4.B5.C【解析】1....
Whocanyousee?Whatarethese?Wherearethey?What’sthis?Whosecomputeristhis?Whatarethese?WhoseCDSarethose?Whatarethese?Whosevideosarethese?What’sthis?Whoseradioisthis?WhoseTVisthis?What’sthis?noiseTurnitdown.Turnitup.make(toomuch)noiseinsectfishsixwritecrocodileninekiteicecreamfive
1Whocanyousee?2Whatarethese?Wherearethey?3What’sthis?Whosecomputeristhis?4Whatarethese?WhoseCDSarethose?5Whatarethese?Whosevideosarethese?6What’sthis?Whoseradioisthis?7WhoseTVisthis?What’sthis?8noise9Turnitdown.Turnitup.10make(toomuch)noise11insectfishsix12writecrocodileninekiteicecreamfive13
外显子、内含子、mRNA、CDS、ORF区别与联系1、DNA复制：以DNA为模板,在DNA聚合酶的催化作用下,将四种游离的dNTP按照碱基互补配对原则合成新链DNA转录：以DNA为模版,在DNA指导的RNA聚合酶的作用下,将四种游离的NTP按照碱基互补配对的原则合成RNA翻译：以mRNA为模板,在核糖体内合成蛋白质的过程特点：DNA复制：模板为双链DNA,合成的新链与模板链一模一样,原料为四种dNTP,为半保留复制,需要引物转录：模板为双链DNA,为半不连续转录...
CDS1目录一(CDS简介:......................................................................................................................3二(CDS软件设备应用设置:..............................................................................................3三(CDS软件的安装流程:..................................................................................................4四(电脑拨网络设置:......
