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习题练习：SL/HL Topic D1.2 Protein synthesis
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 作者: admin  发布日期: 2025-02-01 17:28    总分: 13分  得分: _____________

答题人: 匿名未登录  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 responsible for the breaking oicyzr5itc/0o u*lbc /4+. *qz1 mn xgif the hydrogen bonds in DNA to allow transcripttcu*./clb 1ycr/xz*q oi0inm g+4iz 5ion 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 organism produce diff(7sd,ub clp-bnod4 2)l4nyb y erent 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 manucph-r88adkz 0factured 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 iww s0+ u5;opsbdxw;t;t5zm; zn regard to the 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 sequence for thv(bvliihxc jp*/3 -n4lil7i *mlm 9g )e insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria utilise a human gene to manufacture insm ix)iji-3 v/c4g7i*hv( lml*pnbl9 lulin?

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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 tabou9. kk mtyp, pbw70thl5ga83le?
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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 tq .ih 5r2 :mz adpe0rd5siuq7:he polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change in the pozh adi:: 7dqrmp0 e5isrqu. 52lypeptide 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 b/4gxz0 i,efwa e present on the anticodon of the transfer RNA molecule which carries the ai ,efzwx/4ga 0mino acid tryptophan (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 b)4 tex6jhdd lil8t jtvi678umi..xe )e translated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-letter codes in the )7j.te)i.eiu htj m6 4xdt6livl dx88 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 h s6e.iviq kfx.(z*2upairing is essential in converting a base sequence in DNA to a polypeptide sequence in a polypeptidisi2q e*6z( fxhv .k.ue 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 a8s0+9 -lq ozjnizph.l sequence of bases in the mRNA molecule. Explain how a polypeptide ch+jh.l 8qz0ln9osi z-pain elongates as the 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 transcription both occur unidirectionally in a 5’ 37 -0-u)i)bw3(fe-moc ee4ncq st tx jd’ direction. Explain why this is essentie-tdun30qic- )7sbfe o) x( tmw -j4ecal 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 n5*k:p r *ifxf4om+ 1gpvvdy6which mature mRNA is different to the mRNA produced by translk*g 5v pim+rod4* :f6x1pyfvnation.
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