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习题练习:SL/HL Topic D1.2 Protein synthesis

 作者: admin 发布日期: 2025-02-01 17:28   总分: 13分  得分: _____________

答题人: 游客未登录  开始时间: 25年02月01日 01:08  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/5) 切至整卷模式 搜藏此题  
第 1 题组 (共 5 题 5 分)
  1. Which enzyme is responsibllh gwkia)618z7v y8( r j+rfeoe for the breaking of the hydrogen bonds in DNA to allow transcriptioz8 +ew6kj)(hyrri1 af8v l7g on to occur?

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2#
 
单选题 ( 1.0 分) (组内2/5) 切至整卷模式 搜藏此题  
  2. How can different tissues in the same orgas/ur7docb pk c+:s2dtx ,.t r9nism produce different proteins?

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3#
 
单选题 ( 1.0 分) (组内3/5) 切至整卷模式 搜藏此题  
  3. How do cells control the proteins manufact .:5sf1rpcinpured by the cell?

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4#
 
单选题 ( 1.0 分) (组内4/5) 切至整卷模式 搜藏此题  
  4. Which of the following is correct in regard to tmnk4 1ei-tgb; he genetic code?

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5#
 
单选题 ( 1.0 分) (组内5/5) 切至整卷模式 搜藏此题  
  5. The human DNA base 2uwa30.(kgwb tgcvxt 0tvu*; sequence for the insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria utilise a human gene to manufacture ins (wt0u0w.gx b u2cgt*a 3vkvt;ulin?

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6#
 
问答题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第1/4题
题组内容描述:
6. The table shows the genetic code. It gives the base sequence and the amino acid (3-letter code) into which it is translated. Use the information in the image to answer the questions.
I. Which molecule’s base sequence is shown in the tablnyybus+r2(ths l 0 ,v;e?
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7#
 
问答题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第2/4题
题组内容描述:
6. The table shows the genetic code. It gives the base sequence and the amino acid (3-letter code) into which it is translated. Use the information in the image to answer the questions.
II. Explain why a point mutation of CAU to CAG would cause a change in the plou9l.w0gu n07 .ntfu olypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any cha0 fuun7 0w.ugl 9.ltonnge in the polypeptide sequence.
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8#
 
问答题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第3/4题
题组内容描述:
6. The table shows the genetic code. It gives the base sequence and the amino acid (3-letter code) into which it is translated. Use the information in the image to answer the questions.
III. Which bases would be present on the anticodon of the transfer RNA mo 35nkl7gpbnt :obs4 w* jh48pklecule which carries the amino acid tryptophanj* 7wb3ppo 5 ns44:k knlbhg8t (Trp)?
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9#
 
问答题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第4/4题
题组内容描述:
6. The table shows the genetic code. It gives the base sequence and the amino acid (3-letter code) into which it is translated. Use the information in the image to answer the questions.
IV. Deduce the amino acid sequence that would be translated from an mRNA molesd4ktpu ;avb4pk4g4 zcu70*v cule with a base sequence of AUGAGGACUGCUUGA. Use the 3-letter4 7psgp;c*bukvav04t4u4dz k codes in the table
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10#
 
问答题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 3 题组 (共 4 题 4 分)
7. Discuss why complimentary base pairin0ggp(0 h1f ywug is essential in converting a base sequenc(wg f00up1h gye in DNA to a polypeptide sequence in a polypeptide chain.
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11#
 
问答题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
8. A ribosome produces a polypeptide sequence from a se5; tzweokst2dt8fgos u2)* 3l quence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as the 3 2)g*wt l5ko2t usode;8tzfs ribosome moves along an mRNA molecule.
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12#
 
问答题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
9. Translation and transcriptioe9 (3m3k n(j) tgraiwin both occur unidirectionally in a 5’ 3’ direction. Explain why this n wjkm)ia3(( gr3e9 tiis essential in the case of translation.
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13#
 
问答题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
10. Describe 3 ways in whi-/hl22 bki bvsch mature mRNA is different to the mRNA produced by translati-hb 2vs2li/kb on.
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总分:13分 及格:7.8分 时间:不限时
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