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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 phos:h0w8dy s ,xd,: w)cu l3qjorspholipids important in the formation of cells and their codl8 sy j0o):hx: 3w,,urqwdsc mponents?

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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 bel9-xk:wg;v vz62f -n,yyl f nbfieved to have orifg lyfyfbkwnn,- v-x;2v9:z6 ginally 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 descrhan7;f 11 ztg g9dir/eibes 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 reasons that viruses cannqumd + (q)9jf q*bgxb.ot be considered as living orgx ) qb(+*d9umf.jq gqbanisms.
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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 materialuhp2ajridc*k + k5k)7 in living orgckk 5had+pk7 )j ur2*ianisms.
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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 e*d dd yg8-j)tcxperiment produced organic molecules in an atmosphere that, in 1952, was thought to have been like the atmosphere on earth prior to thd-t8y d*gjd )ce 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*2/ia1 dietl c spontaneous formation of organic carbon compcte21/lia i*dounds less likely compared to the conditions 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 have possessed to yzu*) wfy)0 xtqy. a)tbe able to live anf)t*y .zayqxwut)0y) d evolve into the life forms that followed.
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