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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 t6ny9 y72m wr5xh 9pqmdhe formation of cells and th ymxyw p7qd5m rn9h269eir 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 sapi w0/+mta,dq vb5 bpz/qens is believed to have orbw5aqp,0+ v bqd z//tmiginally 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 conditions on early, prdzr1,67i v7.p3xsep yjn +zgce-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 -:ija lhxnc d; 1cozz- +qbr(a*p9e+r considered zp-;eax+q+a (coi bdjnz-*rhrl : 91c 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, li-rpl .om1af;z l ( 9daqxlq0-j5zc/fkkely to be the first genetic material in living l0 fl9 a(oxa c mk1f zr/qzj5-d-l.;qporganisms.
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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 molecule9 )j*r g0t kms: q8oi+-ywdnhps 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 ori)p kt:d0g iwsqhy -n+8 m*jo9rgin 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 t)u (wlt86azjmoday make the spontaneous formation of organic carbon compounds less likely compared to the conum z l(8tw)j6aditions 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 h(b:g oc ,5,l6 xwh h+mta/cdhfave possessed to be able to live and evolgcmdh (5oah+tlc,xw/,6hf b:ve into the life forms that followed.
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