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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 importand,ch )2t1r ifpt in the formation of cells and theiip rt 2d,1hc)fr 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 Homo sas c* (zxzpts03z 7zvn* m0n7nhpiens is believed to have originally 7m*n( s t700zzh3vz*nsnpc xzevolved?

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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 follo. ts;qp4fe l e(..ukxlwing describes 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 re -6bqazfrf2ot1 (uh, tasons that viruses cannot be considered tf6u-f(h2 ,zoq1 rtbaas 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 in qrsc;3h( 16r ,hpvej eliving organeepr h ,3(s1r jcq6v;hisms.
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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 atmosphere 2 x8w) lv5 m*)vutyzyxthat, in 1952, was thought to have been like the atmosphere on earth prior to the evolution of life. In which way was the exp tv)vx 25zwu)m*8xyy leriment’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 cdiof ve+ ug./s)vc;o 1onditions on Earth today make the spontaneous formation of organic carbon compounds less likely compared to the conditions on Earth at the time of the origin vgcuiv.1 ;e/ + osof)dof 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 tahxdv-x 2w3i l2wxeu.+c-d w.he first cells must have possessed to be able v dw 2cx ax.+hx-iw.3-dwleu2 to live and evolve into the life forms that followed.
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