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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 bonds in DNA to .errir0-r: m wallow r:- iwerrm0r. 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 diff owtinc2h 3z,7erent 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 manufam uuy65jn;) a:hx /rcpnn0h(nctured 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 genetic cod* + kwkrj-g:mde?

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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 be inserted into bacte ;yxawzu hgvqd1g; k:s;w:m;0ria. The bacteria will then manufacture the protein, insulin. Why can bacteria utilise a human gene to manufah;s0zm;wd wy:kv ;gg qx ;au:1cture 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 seswq5j3b6dc ;g quence 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 change in the pa.81tg *mzjd molypeptide sequence of a protein but a point mutation of ajmg8m*d 1z.tCAU 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 transf+jvb ,-a6;bmqi0jo cklb m8j /er RNA molecule which carries the amino acid tryptophan (Trp)?6cb08ij l ,o+;b qjb/ mkva-mj
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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 acidtniur3 8c(y:l sequence that would be translated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-lettert i83ynur lc:( 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 esseuqv p;ch.o7s, e vx51r 0hhv2rntial in converting a base sequence in DNA to q x,0r25vvh cu1.os 7 ;phervha 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 s,r/j 9deb7nqzequence from a sequence of bases in the mRNA molecule. Explain how a polypeptide chain elon,/79bzr eqnj dgates 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 unidirectv m1n dm; f0zfoma9( iph4e)3dionally in a 5’ 3’ direction. Explainhao;410m (f zvm)d e3dpi9mnf 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 w -ct(*mq* mc- t(sz*u*zrgyhdhich mature mRNA is different to the mRNA produced by trczy*s((zh*rtcd mt-*qm* g- uanslation.
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