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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 phoye3 7/c*va eyrspholipids important in the formation of cells and tcya3e7e /yrv *heir 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 organism from which 8/muv vkz2w (buym87rHomo sapiens is believed to have originally r 82 y8z(kvmvub7wm/u 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-biotic Earp .os 73yc:)ejx x*mw 2,gfmivth?


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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 8+rpi100wlo zg) pbwaxx*s+h non-living.List two reasons that viruses cannot be consixgbi)0 +81rpw*wz phx sa l+o0dered 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, raqqmg4e1-ma. gtst 8vnp 0xn0;ther than DNA, likely to be the first genetic material in living ox4q ; eq08amn0pt-1 n.stgvgmrganisms.
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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 organic molecules in an a;+ +lbm/. ksh gyynw/stmosphere that, in 1952, was thought to have been like the atmosphere on earth prior to the evolution of life. In bs+m.y// nh+ykswgl;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 ck waxy2vi)0( v4 r7w)olpivw ,onditions on Earth today make the spontaneous formation of or2),pi7 ikw 4vxavyvrlo0( w)wganic carbon compounds 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 thaluvx/y1qc.fxra;k+ pzc1f: 0 t the first cells must have possessed to be able to live and evolve into +v/.kxu0r cf pfac 1xyz1q;:l the life forms that followed.
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