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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 phosphol wxm4+y2 q9mmvipids important in the formation of cells and thei4mqvm wm2x+ 9yr 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 th*r0bx+q2gahi e organism from which Homo sapiens is believed to have orig ri+0gqa *x2bhinally 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 follomq. a(a- x7v4pqwjvo (wing describes 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 virc+0waxc3 m9biuses cannot be considered as living organ+a bim9x wc0c3isms.
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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 g )k 5o1bjh ezt-*uh srpw8h9+6e ie.ycenetic material in living orgu+- te)rjysi.b o eze6 5*9kw1phh8hcanisms.
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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 produ,lje7 f 8da) :;kvdspnced organic 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 oknjv:dp f7)sdl8ae ;, n 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 conditi :m86eitsape k72m,kb s4 wlg)ons on Earth today make the spontaneous formation of organic carbon wm4)8 skts: bm ea2i6pe, l7kgcompounds 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 ockrb7(sx6(ky8p b*5mth4i:ln ) saybe able to live and evolve into the life forms tkyoprtcml(6 :yi * n45sbkb sh87xa ()hat followed.
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