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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 phospholipids importu:ktpf/nm2h ml9o 0, nant in the formation of cells and their comp ,oh9/f2nn tpm:l u0kmonents?

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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 fromlwioly 0j6v 69 which Homo sapiens is believed to have orig6l vi wjl0y6o9inally 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 des/n6j o s +g-/-egdnmdfcribes the conditions 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 two reasons that viruses cannot be 1j/ .ovsb.:fv(w ve fpvj)r)x considervvj r1jw(vsbf/).o :) p exf.ved 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 DNA8sgzz1h* i- gs, likely to be the first genetic material in li1h zsg8*z-isg ving organisms.
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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 or b;tv4 f (twl)n h;zgws7(d4kr2h j+ovganic molecules in an atmosphere that, in 1952, was thought vf2nb;s4 +hljrt);g(h7 z(kwt4wvodto 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 spontan 3s7.at- niumveous formation of organic carbon compounds less likely compared to v3-.a mus7n itthe 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*yho0ln4sirej sxz; *gw;j6d j ; (2hu possessed to be able to live and evol zjx*o; ;jw( lgjisr62sh*4 e 0dun;hyve into the life forms that followed.
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