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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 hydrogerrlm jy 3,/p ahv6.ztc.n5sx9n bonds in DNA to allow transcription to occha rvn .9 p/s cm56xt3ly,r.zjur?

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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 producdx(; pa8uq-widv :(ki e 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 manufacxp v5.p by fw gcf9w./q5jsh59tured 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 genetiw5wtu i8zi tr-km6 )x.c 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 sequsfc xl6:c. x3ctk8b d4ence for the insulin gene can be inserted into bacteriax63kd.stc 8f:x4bcc l . The bacteria will then manufacture the protein, insulin. Why can bacteria 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-cb -1gp;n tjg:a nu(l 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 CAl8u*ze kh7j 1yG would cause a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change in the pok 7 ul1hej8*zylypeptide 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*(b3y:s8eqgv wf go,w present on the anticodon of the transfer RNA molecule which carries th * sbqw fw3gge,(v:8oye 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 thl zb;n+,02 h djy/4lgvplptim ak) 98xat would be translated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGltli2z mvn/4j pb)l kdh8a xyg ;p9,+0A. 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 convertin (fng. rd6(g/s2 dv w(zwfrv-mg a base sequence in DNA to a polypeptide sequence in a pogwrz.v mdsw62(r- f/n (vgdf(lypeptide 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 pv-jmi q x8:m4qrq99y sequence from a sequence of bases in the mRyxj pmq 8ivqm9-4:qr9NA molecule. Explain how a polypeptide chain 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 trk +gkf3 1 3rvx- o;9k-nrtvtkganscription both occur unidirectionally in a 5’ 3’ direction. Explain why this is essential in thek-v;r9 k33fkvg rk1t-on+t xg 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 different to the mRNA produced byeiax v).jh7gnab7 4p 9 trans )gv xa7.n4p7b9aej ihlation.
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