名词解释题nuclear pore complexs,NPCs (核孔复合物)
名词解释题
nuclear pore complexs,NPCs (核孔复合物)
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The children stay in the nuclear family ____ they grow up and marry. Then they form. new nuclear families.A: becauseB: asC: untilD: since
以下关于核孔复合体的说法错误的是（）A、核孔复合体通过主动运输的方式运输蛋白质和RNA等大分子B、核孔复合体具有向细胞核内外双向运输的功能C、核孔复合体靠相应的受体识别大分子后进行运输D、核孔复合体只存在于细胞核的外膜上，内膜上没有核孔复合体
单选题Although no proof yet exists of the electromagnetic disturbances observed being the results of nuclear weapons testing, diplomats are treating the situation with utmost delicacy.Aof the electromagnetic disturbances observed being the results of nuclear weapons testingBregarding the observed electromagnetic disturbances having been the results of nuclear weapons testingCthat the electromagnetic disturbances observed were the results of nuclear weapons testingDthat nuclear weapons testing resulted in the electromagnetic disturbances having been observedEthat the electromagnetic disturbance observed were resulting from nuclear weapons testing
单选题In the second paragraph, the author mainly discusses ______. .Athe nuclear accidents in Japan last MarchBnuclear power policies in GermanyCGerman attitude towards nuclear powerDthe safety levels of nuclear power plants in Germany
单选题Which of the following is an appropriate title for this passage?AJapan's Nuclear Crisis Causes Fear in Europe.BThe Chernobyl Disaster Helps Europe Better Understand Nuclear Power Energy.CGerman Governments Supports Nuclear Power Energy.DGermany Has Learnt a Lesson From Japan.
单选题关于核孔复合体的描述，错误的是（）。A捕鱼笼模型是描述其超微结构的一种学说B中央栓可能是正在通过核孔复合体的物质C核孔复合体在进化上高度保守D核孔复合体是单向选择性亲水通道E细胞合成蛋白质功能越旺盛，核孔越多
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单选题What does the passage mainly discuss?AThe acquisition of British Nuclear Fuels by Toshiba.BThe acquisition of Westinghouse Electric by Toshiba.CToshiba’s expansion in nuclear power business.DToshiba’s embarking on nuclear power business.
单选题关于核孔复合体，下列描述中哪项是不正确的（）。A在代谢或增殖不活跃的细胞中核孔数目较多B核孔复合体是一种复合性结构C核孔复合体由内外两层核被膜融合形成D核孔复合体是胞质和核内物质交换的主要通道E广为人们接受的核孔复合体的结构模型是捕鱼笼式结构模型