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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: 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 responsible for the breaking of the hydrog6*)nl mjg ()lb awlyp;en bonds in DNA to alp)gwb6n( *j;a )yllmllow transcription 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 different proteins?r+akkj 55bzj4

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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 manufactured by thelzh.8 tw a3ey yr8 f,f-;-yczz 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 corr4f2(4ym(jy.hv gj hjrsq)mk/ect in 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 the insulin gene can /:ihlq)swhvpg xbs0+v ,z99i be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bactlsh ph vxqw9gv ), 0b/9+:zisieria utilise a human gene to manufacture insulin?

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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 sequenc8g y(+sxitwlj4npt-; a s.tl6 qwz)h5e is shown in the table?
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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 h73 7ycwcj+l mchange in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change in th l7j7yh3+ wccme 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 rg3v :8 c zcxl oj5lipr15c*,vRNA molecule which carries the amino acid:81o3z*r c cr5lv xvij5g p,lc 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 be translated from an mR ffw 6r/iii7yjgo 2b)(NA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-7ify ojr6)g ibfi(/2wletter 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 pairing is essential z g(-+chvj.e y23 d6po1afwgein converting a base sequence in DNA to a polypc.3dw26 h1(vje zp gae+g-y foeptide 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 sequence of bases in the *fe , m2k,fiyr4ixu0t mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves 4i,ui *0mef2f, xrt ykalong 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’gh8 xc hrv7.s 0y:*fna1b b,+2ruzshs 3’ direction. Explain why this is essential in the case of translati sfz +vyr8rsn,72.hab xh 0:suc*gh 1bon.
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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 which mature mRNA is different to tmint2m33 il w3t:.ha2xa)qb e he mRNA produced by tran:b 233nit2q)hm 3mlx i. ataweslation.
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