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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: 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 zy w1uf*je;q9bonds in DNA to q z9 fe;*yw1juallow 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 sd:wgl0matin hq,s55 v7ae.9pame 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 manufactured by the cell?fmio. t eq8s,7i-bwd-

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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 regardfht20 7q xxummb/iw8zk 9c, a+ 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 the insulin gene can be inserted into bacte sl0i-a5ej9he ria. The bacteria will then manufactur9se- hjel0ia5e 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 sequw4fg )/ qq/wmuddd*n4 ence 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 to6ij c jrj8uq q1w ;zbrqm8pw/q*a)x91 CAG 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 polypeptide sequen/qj i6bpqx1 zu*a8;w1 r jm8)wq9rcjqce.
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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 transfer R 3 numn4pae6eoo86td2 NA molecule which carries the n234an6eo uo6te d m8pamino 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 f1 4hyppr; sur7rom an mRNA molecule with a base sequence orph y;1rp47 usf 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 conve(sx9 lty2t pt 9m-y8jjj (u;en jse6*xrting a base sequence in DNA to a polypeptide sequence ;yjxs-9j((92 l6stnjej etutm y8x p* 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 producedv2ymbh f,** ls a polypeptide sequence from a sequence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves along an mRNAlb2dhym f**,v 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 occuo)rt vrf:; ,+b :efn;0jdomyyr unidirectionally in a 5’ 3’ direction. E,ybd; n)jt emrfor0o:;f : yv+xplain 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 which mature mRNA is different to the mRNA pep :mh ;b3h )bksixd*;roduced by translap;d3k*xh ;i bbm)seh: tion.
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