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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 the formation of cells a,.etfvl.u9(anhms g - nd their com9vn- ..fh ge,(utl smaponents?

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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 bel ;l u2vac bd91y5vm-ovieved to have origina9abvm dv y 52;v1-lucolly 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 ;.n:v:tvtwmfo*g + lnu(8vwv 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 cannomotyr+p ez05*t be conside5*rmyt+e0o p zred 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, likel (lb fcv,5ja(sze9h3huy;bt 9y to be the first genetic material in l h(e3fszbbcvj (;9a59 hlt,yuiving 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 exva,fzv7l/ c-bperiment produced organic molecules in an atmosphere that, in 1952, was thought to have been like f/c-lzv,7av bthe 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 conditiob5rh n 8re/k9 (-jlaqfns on Earth today make the spontaneous formation of organic carbona9/frj -e q8khl5bnr( compounds 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 cell,m ,k hqnys *k:a/mce.s must have possessed to be able to live aeamm k. kn:q,/cs,yh *nd evolve into the life forms that followed.
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