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习题练习:HL Topic A2.1 Origin of cells



 作者: admin发布日期: 2025-01-24 21:48   总分: 8分  得分: _____________

答题人: 匿名未登录  开始时间: 25年01月24日 10:38  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  1. Why are fatty acids or phospholippyc*jf rc9- 34(pv4da iivu+ 3xcwng)ids important in the formation of cells and thei*fa3+yv)iw4cx (ip c -vp3rju9ng4c d r components?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  2. What is the acronym of the o9qz-v7jrms zif)v .*vrganism from which Homo sapiens is believed to have- zjv z9fsvm)7 rvq*.i originally evolved?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  3. Which of the following describes the condet: z *c046hjprueo 7gitions on early, pre-biotic Earth?


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4#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
4. Viruses are said to be non-living.List t 55 iuvh+lrnmu* a.wxbab rc 7g)z2(p;wo reasons that viruses cannot be conum r5br.bpxn(l ;uz5 +c *hav2w7iag)sidered as living organisms.
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5#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
5. Explain why RNA, rather than DNA, liv1,3l u:6v5pxhn fovukely to be the first genetic material in living organismslhu31 :6nu ,pvovxvf5.
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6#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
6. The Miller-Urey experimen:,2m1e 7ufmwki9l qjyjh 7 ud2nqq a7:t produced organic molecules in an atmosphere that, in 1952, was thought to have been like the atmosphere on earth prior to the evolution of life. In which wa17qmqdkujn:97e7w :2mqfa, l i huy2jy was the experiment’s model atmosphere different from today’s scientific understanding of the atmosphere at the origin of life on earth?
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7#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
7. Explain why the conditions on Earth today make the sp5*vbm ta+,ejynn d:3g ontaneous formation of organic carbon cvnyeb3m 5ag* ,:n j+dtompounds less likely compared to the conditions on Earth at the time of the origin of life.
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8#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
8. List the essential features that the first cells must have possess6*v9b/wlai ured to be able to live and evolve intwri9lb*6/ au vo the life forms that followed.
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