罗伯逊易位(Robertsonian translocation)产生

Pseudodominance is caused by A: Deletion B: Duplication C: Translocation D: Inversion

Which of the following is the main way for Escherichia<br/>coli absorbs glucose?( ) A: Simple diffusion B: Facilitated diffusion C: Active transport D: Group translocation

Selective,energy-dependentlipidtranslocatorsincluding____________________________facilitatethetransbilayermovement(translocation)ofindividuallipidmolecules,providingapaththatisenergeticallymorefavorableandmuchfasterthantheuncatalyzedmovement. A: flippases,floppases,andscramblases B: flippases,floppases,andATP1A1 C: flippases,floppases,andATP1A2 D: flippases,floppases,andATP1A3

Which mode of transportation changes the structure of the material when the transported material enters the cell ? （ ） A: intitiative transpor B: simple diffusion C: facilitated diffusion D: gene translocation

中国大学MOOC: 细胞内信息分子转导信息的方式有：A.改变小分子信使的细胞内浓度或分布B.信号转导分子的细胞内定位改变(translocation) C.通过变构调节或化学修饰调控下游信号转导分子的构象与活性D.信号转导分子复合物的形成或解聚

Which of the following describes an accurate order of events in<br/>translation?() A: Ribosomal translocation occurs before the first aminoacyl-tRNA<br/>molecule binds to the small subunit. B: Initiation of translation occurs only after the small subunit<br/>dissociates from the mRN C: The large subunit of the ribosome binds the mRNA before the small<br/>subunit. D: The first aminoacyl-tRNA molecule binds to the small subunit before<br/>the large subunit binds.

细胞内信息分子转导信息的方式有：A.改变小分子信使的细胞内浓度或分布B.信号转导分子的细胞内定位改变(translocation) C.通过变构调节或化学修饰调控下游信号转导分子的构象与活性D.信号转导分子复合物的形成或解聚 A: A B: B C: C D: D