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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 important in th)vy jovd67 u)be formation of cells and their cvbdv)u6j 7 )yoomponents?

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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 o9bu5,v vk5pnjz6fm-aa. o rac: l0q;of the organism from which Homo sapiens is believed to ha 0fj5 lo;rvno6:k,mpcu9qb a 5avz-.ave 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 describr7 qg;/.ekg cs/6s jwaq q*mj(es 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.9y 0rsu d)qi mfgx9x 6rx 37vhaou:/5uList two reasons that viruses cannot be considered as x6/q 0h udrx5 u x9v9fms:rgiu7a3oy)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,cui6tkqapo,3x h awz,,8: uv DNA, likely to be the first genetic material in living w,cau:t oi3xh,k,,z8v pu6 aqorganisms.
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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 mbm-l+ xkf1b(ksqk 7qds-1 m.0j* ihu colecules 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 scientific understanding of the atmosphere at the origibm0j1 7uds xq1kfqh .kkic(*- mb+-ls n 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 Ear z+)9elis:gq ith today make the spontaneous formation of organic carbon compounds less likely compared to the conditions on Earth at the ti+geziq :) 9lisme 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 possessed to bv*ok 1-xcgde l.o3 l m3)8oqbbe able to live and evolve into the life forms that f3)3* qldoxoo1lcbgk- bm .8e vollowed.
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