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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: 匿名未登录  开始时间: 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 f f viwezkxl(7ey* .k*3-zuj0for the breaking of the hydrogen bonds in DNA to allow transcript* eyffe* -vlz. 3zx j7(k0wuikion 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 b5*toiv8m; rlm70s j)f ks5gf uvmnuq0,ao03 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 manufac lk/4vve20d dqtured 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 the geneti:d wz2zzt gn40,hh7 uvc 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 nee:fb w* sh67n*1l ibs+ak*sfor the insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bactf6 sik+:nlhbae7*s**ns bew1 eria 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 2(sm+ugwu b.z )rsg4 vsequence 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 of0kw18f t6ateqct 7(o u CAU to CAG would cause a change in the polypeptide sequence of a protein but a point mutation76 w0ctaqte8( f outk1 of CAU to CAC would not cause any change 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 o3/snc bql fwi0 (9*yain the anticodon of the transfer RNA molecule which carries the amino acid trypticil( yn/ wa 09*b3sfqophan (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 acix0jo: z1lp:p3fuq7r fd sequence that would be translated from an mRNA molecule with a base sequencelxzpfq0 o pf1j7r3:: u of AUGAGGACUGCUUGA. Use the 3-letter 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 in cn5, dbm.zjsifiju: ,* v;osn18 s(sksonverting a base sequence in * skdfs ob,ssj1;v,8iznus(j:5.in mDNA 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 sequence of bases in the mRdxtmolca3 5vvmd4 6k7 u4dh50NA molecule. Explain how a polypeptide chain elongates as the ribosome moves along an mv357xm dkdl 6 5udho4t0mv ca4RNA 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 u2 :+uu:vilvlh nidirectionally in a 5’ 3’ direction. Explain why thl u:+:vi2hvl uis is 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 e 4uiw(.l ,wymin which mature mRNA is different to the mRNA produced by tr4,m.u(iyw e lwanslation.
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