下列哪种生物体不是由细胞构成的[]A．酵母菌B．眼虫C．烟草花叶病毒D．大肠杆菌-高一生物

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• 细胞学说主要阐明了[]A．细胞的多样性和统一性B．细胞的统一性C．细胞的多样性D．生物界的多样性-高二生物
• Experiments of this kindin China before the Cultural Revolution in China. [ ]A. have conducted B. ha
• 细胞学说揭示了[]A．植物细胞与动物细胞的区别B．细胞的多样性和细胞的作用C．细胞统一性和生物体结构统一性D．人们对细胞的认识是艰难曲折的过程-高三生物
• 下列关于细胞学说及其建立过程的叙述，不正确的是[]A．离不开技术的支持B．需要理性思维和实验的结合C．论证了动植物的统一性D．标志着生物学的研究进入分子水平-高三生物
• The finding which ________ the research is very important. [ ]A. basing onB. base onC. to base onD.
• The UK ______ four parts:England, Scotland, Wales and Northern Ireland.[ ]A. make up B. is made ofC.
• 下列符合细胞学说内容的是[]A．一切动植物由细胞发育而来B．细胞由细胞膜、细胞质、细胞核组成C．动植物细胞有明显区别D．新细胞从老细胞中产生-高一生物
• He collected information on 1,000 people, whose IQ when they were ten years old.[ ]A．is testedB．has
• 真核细胞和原核细胞最大的区别是[]A．有没有由膜包被的细胞器B．有没有细胞膜C．是不是具有由膜包被的细胞核D．有没有核糖体-高一生物
• 下列属于原核生物的一组是[]A．痢疾杆菌和衣藻B．酵母菌和疟原虫C．链球菌和乳酸菌D．病毒和蓝藻-高一生物
• 以下内容中，不属于细胞学说的是[]A．细胞是一个有机体，一切动植物都是由细胞发育而来的B．细胞中只有细胞膜、细胞质、细胞核，没有其他物质C．细胞有它自己的生命，又对生物整-高二生物
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• 下列哪项不是细胞学说的主要内容[]A．一切动植物由细胞及其产物构成B．细胞是生物体相对独立的单位C．细胞可以产生细胞D．细胞分为细胞质、细胞核和细胞膜三大部分-高一生物
• Nowadays, too many children________TV. That's bad for their eyesight and TV also keeps them fro
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• 19世纪30年代创立的细胞学说的最主要的意义是[]A．证明病毒不具有细胞结构B．使人们对生物体的结构认识进入微观领域C．证明生物之间存在亲缘关系D．发现动植物细胞的不同之处-高一生物
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• 可作为对一种单细胞生物进行分类的依据是[]A．核膜的有无B．核糖体的有无C．细胞壁的有无D．膜上载体蛋白的有无-高一生物
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• 下列关于细胞学说的说法正确的是[]A．细胞学说的主要建立者是虎克和列文虎克B．细胞学说主要揭示了生物体结构的统一性C．细胞学说从建立伊始，观点就全部是正确的D．细胞学说是生-高一生物
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• 下列有关细胞学说的叙述中，正确的是[]A．一切生物都是由细胞构成B．细胞是一个完全独立的单位C．所有细胞只能由细胞分裂而来D．细胞对另一个个体的其他细胞起作用-高一生物
• 下列关于细胞学说的论述，错误的是[]A．一切动植物都是由细胞发育而来的B．新细胞可以从老细胞中产生C．细胞是一个独立的单位D．细胞学说在修正中不断得到完善-高一生物
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• 下列四组生物中，细胞结构最相似的是[]A．变形虫、水绵、香菇B．蓝藻、灵芝、豌豆C．小麦、番茄、大豆D．大肠杆菌、酵母菌、霉菌-高一生物
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