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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: 游客未登录  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 phospholipids imptt-f*-zv .3 ij ;wgkhrortant in the formation of cells and their comtrw-i 3 *vz; kh-fg.tjponents?

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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 acronym8fvogzh ; (pq1hxl*i5 vd-4sq of the organism from which Homo sapiens is believed to ha5q;xg4*1osvh8 fd (li v-zphq ve 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 conditions on early, pre-bioo ,p7g1y ;mqt xqlj+/ t7:fuwj .swem6tic 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 n(j0oue rk ;u+xon-living.List two reasons that viruses cannot be considered as living orgeu ru(jk o;x+0anisms.
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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, likely to be the first gplv2k 0: k/5rrokc0vf enetic material in living orglpo0f 0 /vrkk: krc25vanisms.
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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 experiment produced (he( 6.urt/ekrt jq 8sorganic molecules in an atmosphere that, in 1952, wa/ h t6r.e(srj8 (tequks thought to have been like the atmosphere on earth prior to the evolution of life. In which way 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 spontaneous 63d po4v)dpizformation of organic carbon compounds less likely compared to the 4p63z)ddv opiconditions 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 fo5fjb)m 4-dh.;wlmeu irst cells must have possessed to be able to live and evolve into the ;ubw mdjl ho45-fm.e)life forms that followed.
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