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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 phospholipids important in the formaz wbu z60is/g um/e3j1tion of cells and the i0s/z 1uzuj3/w6bg meir 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 sapiens is believed to/xyyogj yb a.6:jk.26kj+ok o have orig jy aj+ 6kkk y2gx6jy.o.b:oo/inally 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 thet,h;, ccxs;n * 4 abne9p*zaml 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 virused3mibdd a77a0tsuh0pkr - l*.s cannot be consi0 srud0m7*3ab- lpa.id h7t dkdered 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 vaux4g0 f;z0ytef 4g:to be the first genetic material in living organism4 ytgf0zf;4xag:e0uv s.
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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 ib0 ont 9wn*r0that, 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 difft 0n9 onr0*iwberent 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 r: opkh n1q/fcr;)b(cmake the spontaneous formation of or)b/;nr qf(p :co 1rchkganic carbon 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 fi uqj*2re:apkhl; xze(:9) - n3s zkuteatures that the first cells must have possessed to be able to-utxuj na rk*)sp:2;lq zk9: ezieh( 3 live and evolve into the life forms that followed.
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