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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 formation of cells an r8dyia/,ouqug;x 82od their componenigo q 8r,duo28 yu;/axts?

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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 h9 ykvguji-jaj82gi ew4 (g o;7ave ;kiug8og2g -( 9iv aj4jyjw7eoriginally 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 dc1,+(vt tvp cwescribes 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 nonv/e 13urnnir1 2oj (;td cjgn5-living.List two reasons that viruses cannot be considerevn ;n3i o21/erjc( u1n jrg5dtd 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 first genetic matejfv z5lws,+1r rial in living o 5vr1jsw+l,f zrganisms.
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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 o +dgf/7ilz g5rj4q ,ctrganic molecules 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 origin of life on ear7c45 ld+jf ,gizt/gr qth?
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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 spontaneounzyqta 23 4: pa5jq1ffs formation of organic carbon compounds less likely compared 5fafj 4p:q zat q31yn2to 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 tqjm l nqxio(-ai n5.q8u 87/inhat the first cells must have possessed to be able/j- m uo5nlxiaqq788inn.i q( to live and evolve into the life forms that followed.
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