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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 importg: r*o huy;wm-ant in the formation of cells and theiry w *-hgomu;: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 organism fr1krdj 6/5,khaofj ; vjom which Homo sapiens is believed to have origkf,j5d/ h;a1o vrkjj6inally 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 th5s -al u4h -hu/dy-kzke 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 thp(-w0h8smywc* o q* e3 s yildp3(8gprat viruses cannot be considwsycpw8pd3ps o h(m(q-8* giye3 *rl0ered 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, likely to be the first genetic material i ( zz yk d hq2no4le-r.-ab2ze5b38whbn ln--l4wo ez e dz22qbz(5 bk3ay.rb8h hiving 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 organic molecules in a5 r;wfnx9wafh//r/s p n atmosphere that, in 1952, was thought to have been like the atmosphere on earth prior to the evolution of life. In which way was the experiment’s model atmosphere di;rs r9xnwa // wp/ffh5fferent 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 conditiov2z(fgg mjbm 9ab xy+m9:.j 7.oh +74eksktdhns on Earth today make the spontaneous formation of organic carbon compounds less likely comph97mdjs. k ag mvx2mogkbt4f+ye . z 79jb(+:hared 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 pn bvj 1ki4sf64ossessed to be able to live and evo44ibjvn6kf1 s lve into the life forms that followed.
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