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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: 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 Dq m,bur : xazwuh0lsepn-50 /.NA to allo:0u, pzl0-u .ehwrxb nqa/s 5mw 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 tissuesql3my6gf 8,:odlr zia92nly6pp; l; s in 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 manufactured br*u;e 0xcpcsem 28pd;15ann 1rz (lmr y 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 ib h,et.y+9dbdw;lp hll)g 2d6s 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 for the insulin gene can be inserted intoae 5e f:s9s ykdi(;h+rj2frd( bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria u f:2 5 j(ey(r shd;rfkis+ae9dtilise 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 7nbqbshs6y/m e3psp :v5x0 r()m* ebqthe 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 cxu, rn+y/3dgchange in the polypeptide sequence of a protein but a point mutation of Cu,r3gxy d/ n+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 transfe m5gk6pk+lmpb8a 9ap3 r RNA molecule which carries the amino acid trypbpakk93+mpm 65a8l gptophan (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 ff+592u/w g o/.ad20d - flqwrglpz9k7gyiegj rom an mRNA molecule with a base se r gwl d0529/gfqgwaik-z7 ujylp+doe/g 9f2.quence of 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 convertib w (xd9;twf.ing a base sequence in DNA to a polypeptide sequenciftbw;9 d x(.we 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 sequence from a se4(of54t(-6q l/h7x x d c9 njioszjiyequence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves a (jxy4 6fs( nio-et9q5z ijxd hco4l/7long 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 mqe v977g0z t;i2i kwkunidirectionally in a 5’ 3’ direction. Explain why this is essential in 2m ewiz;kk gi vt770q9the 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 3 da z: -jyuxjxx2h)w3mRNA produced by trans -a3zj) 2xxxu:w3hyd jlation.
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