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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 responsible m5cwz-p5v+bokwo03: vc.ggl for the breaking of the hydrogen bonds in DNA to allow transcription to occu5kcz+g- om5 l3 0wpc.vw :vogbr?

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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 /h uq4fzfmadts6-o49 the same organism 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 m6qgoz59 ceoyjmff+35b 44. j aciw 0xzsdad 4*anufactured 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 rsgmt6xo )dl79egard 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 tx.k()st3tv y ohe insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bact()s vo3yxt t.keria 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 sequence is shown in th.dizi4 gy3.jde 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 change in thgl7i2)+y (2pdakds qipte*ii84x4 yhe polypeptide sequence of a protein but a point my2g7* 4a dq+s28xyieii(hlppi k4 t) dutation 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 on the anticodon of the tra6 kd ga/tm 8abusmr)/8*t fhm:nsfer RNA molecule whicm6ba kta frg m8/d)ush8t/:*m h carries the amino 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 be translated from an mRN7t.xqjplvic(vyx i7:;o3tw 4f6 t - ezA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3- xc;v4:j6w( i.zl7p eit qt7 -xvtf3oyletter 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 essent+8 foo:lnw o e,kh1g4 ,yre:aaial in converting a base sequence in DNA to a polypeptide sequence in a polypeptid+ 1hfanoa:4or :,g k8w le,oeye 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 vgal) t.wmrf *c1(+rx a polypeptide sequence from a sequence of bases in the mRNA molecule. Explain how a polypeptide ch+f.arrwcvm*t1(x) gl ain 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 unidirectionan6:y5k w oofng l)rxb5lx,u*7lly in a 5’ 3’ direction. Explain why thisok6lu fn5xr7xyo*,)b: gln 5w 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 in which mature mRNA is differevl1zj8 izxy :l3b 05e qp-x)zynt to the mRNA produced by tr8y-5:x0i1 ze qjvy pbzl zl)3xanslation.
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