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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 for the breaking of the hydrogen bond.ylq17ltd s q5s in DNA to alyt 5d17llsqq.low 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 prot +.z7f2spfj oyeins?

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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 thy8l +sq5 lf9hve 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 is6,.2 c 3l dlku9cdnrba correct 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(;xzyuhkir ik(v ,j ,cv-09 yss:w8cj for the insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria utilise a hyhus,k rv j;0kyjv (( c z9iic,x8s:-wuman 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 sequ; q ipqj87j+f x-fi0xjence 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)75 bs/ yhn5k:fzp)qk rj-cc n3k5xhh a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cahc5h nh n-:)cy7 z rs)kqf5 3xp5kjbk/use 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 transnxk havcr* t(.a,;y9f fer RNA molecule which carries the amino acid tryptophan (Trp,fvtr*ak ax 9n.( ;hyc)?
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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 gdwmil,*h: 3 m+6m2u a2abguwfrom an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 33iua6mhwa g* +ud2m,2wbmlg:-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 pa4p rt7uo(yvr 3iring is essential in converting a base sequence in DNA to a polypeptide sequeu( ytr473ovrp nce 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 cdqidy:trh)v2zg 5+ m v(61hf sequence from a sequence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as thh6mz )yi(h25r:+ ddgct1f vv qe 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 bottt)no q15a+ blh2*6zorm,a ydh occur unidirectionally in a 5’ 3’ direction. Expladbo1 y 5za2h)tar*lo+6 tmn,qin why this 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 ;q/p )v3 vf2 kddtbq/gwhich mature mRNA is different to the mRNA produced by translati2vgvdkq /3 ptbf) /dq;on.
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