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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 hydrqi7nxz;v gbbf/u2zs,kz 1 u 5v-cf-4 m r,qas6ogen bonds in DNA to allow transcription,1q5iq zu vb2bu,;6skv7-x f4grf z z/s- camn 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 proteins?ipy(;,.tyx6qo kt :z q

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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 manu(xa0etb8jz0zp c/ a0ndm j( a3factured 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 4cn5: /f*yvg zy:urbw 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 -v wgyg*py 6ka lc,b9(the insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria ug6ygvw(,9* p ayc klb-tilise 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 seque yv- cgib/in(,nce 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 ce wir-xe(s5zx(/ y;zat rz0 w3ause a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change in the polyp-0;zt3 z(5iryas/ zree( wwxx eptide 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 an ak;lwi 3ua3d:ticodon of the transfer RNA molecule which carries thu3d;ia wla:3ke 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 sequendj n6 ln0h 8)vv*xk(sdce that would be translated from an mRNA molecule wij0nd) kh 6s(xln* dvv8th a base sequence 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 complim h(6undm1sh+xk))ix eauz22p entary base pairing is essential in converting a base sequence in DNA to a polypeptide sequence in a polypeptide chai2xmz)kxh du hp+s)uie1n6a(2n.
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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 po)/ i .(n(fl7jqp awarylypeptide sequence from a sequence of bases in the mRNA mof.j/(ylr ( i)awanq7plecule. 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 trrz5 ox8f zm3x+ dp o)l9.+vrebanscription both occur unidirectionally in a 5’ 3’ direction. Explain why this is essene moz pl9+bvro+ dx.3x5z)r8ftial 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 maturm +7b(ks48wmwrahh*re mRNA is different to the mRNA produced by tranb hkw4+*ram m8h(rw7s slation.
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