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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 important in di 9; l1;wosrd1aqz *qthe formation of cells and their componeq;w ; oar 19dild*1qsznts?

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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 Homo sapiens is believedd(fgu.c2 c*g1po ldf9 to have orufc1*oc(ggd9d2 .lfp iginally 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)jvc+cmaed we m/, 0.(3r olh*sylzl2 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 two1qica.a(+hjl 46 uk cs reasons that viruses cannot be considered as living organisml6 cqk1hj4s+ac(a. u is.
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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, like y2 lp:ipx0y/nly to be the first genetic material in li2piynlp 0:/xy 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 organicdoo5e t7pj/w/lkl lc)km2 v4 / 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 way was the experiment’s model atmosphere different from today’s scientifm/l l/do2j evk/)lctw ok 4p57ic 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 a xk;6u9i+lry c3k tl*Earth today make the spontaneous formation of organic carbon compounds less likely compared to the cond3xu*lyr atk 6l+9i;ck itions 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 feat.)ljan*0y a1ru7tu fk ures that the first cells must have possessed to be able to live and evolve into the life forms that followed.)u jay.ta* lfkunr071
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