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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 f:/y sa h6jkn2wpyq2j y-x1 q+mormation of cells and theiryq:am1nyx/j jyqh2-+62k swp 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 iee1dkva83kx2q klm-1 lij)6 os believed to have origadke lqi-x23o11m lk)j8ve k6inally 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 6bky/dugrmr0r va;hb1y:f 0 4the 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 spalbu 2fq(+kh mk+k *r .qfz(1,m0xgxor8*q be non-living.List two reasons that viruses cannot be considered axfaqf0 o+ 2qkgr +ph1, sm(k8.zkrubml*(x*q s 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 genetx vyq+lg *6u-:0l-) xvgdnacd ic material in living organ0xq+yvg la dux- *dv -6)ncg:lisms.
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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 atmospheaxvr /3i1 7ir5*k k*j(n sochc/a;ghdre that, in 1952, was thought to have been like the atk7 k xi r5i3ja/dahnc;1ov(*s g* hcr/mosphere 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 conditions on Earth today make the spon3o /wg: tg2a;bv do.v,u dmd9ntaneous formation of organic carbon compounds less likely compared to the conditions on Earth at the time of n dtw.ga/:m,b;2vvod 3ou 9gdthe 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 mufm)u x 06yg fb4y 4ritc(y37wfst have possessed to be able to live and evolve into the life forms that foltuf 37iw 6(ryf g044xfbc)yymlowed.
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