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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 iv yfsta cj;)0 5ioaby(yf( *rp f-4)iemportant in the formation of cells and their comp yj *v4ao-fari 5)ctp( ybeyfi()f0;sonents?

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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 sapiensy 0ha3fqr g5.w d)qm /8lsp /rnqcp(4g is believed to have origr ahn8 f qsgp g/5 q).drw4/pqmcl(y30inally 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 conditcu ; 1/gwxqrx+ od;q(mions 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 that virustcb31fm6;9jfp3u zss ,c ff /aes cannot be consi/sbtm a 3;zs6 fcj9uc3fpf1,fdered 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 fafli*03 fwzdjn *jj4b 0 mki(rzx8 s7-irst genetic material in l*30 zkxs-b47*80r jmz(adnl f iwfj ijiving 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 w-qnwuc f( lp;+,i)jl organic molecules in an atmosphere that, in 1952, was thought to have been likel - +funplwi wcq;)j,( 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 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 Earth today make the spontaneous formation of dd93 b4-qiwuaptu fm1j 8d2d6organic carbon compounds less likely compared to the condi d 9643u1 atdm2wp8jf q-bdduitions 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 sbe;4prmpi a 04 w7m9mcells must have possessed to be able to live and evolve into the life forms t m7seprim pmab9; 4w40hat followed.
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