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习题练习：SL/HL Topic D1.2 Protein synthesis
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 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 brl gup :9pk(jj.eaking of the hydrogen bonds in DNA to allow transcription to occur?g.p(jl jkpu:9

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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 tissu)sb zq(,3jb a i+hkgyj1qqw3:es 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 manufactz 65 ks icy-(a2qmschg/,e 8snured 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 code(ltv g6,jqkwqb k 0w6s5l/u8t ?

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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 sequenc6-z 3m)w9vxhstr m:bje for the insulin gene can be inserted into bacteria. The bacteria will then manvr- wm6x)tzj :s39hmbufacture 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 base91r m3 y xkhxyzfck 7m(o6; 7xmhf..ej sequence 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 tobeb6z/wx1 enw1 kg m.3 CAG would cause a change in the polypeptide sequence of a protein but a point mut16k 3bn/1ewmgwx b. ezation of 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 p0t ) afvf/sq 0;e z3pjasev56anticodon of the transfer RNA molecule which carries tq v )ee0staf;3sjpfz5v /p06 ahe 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 that would be transl/xh1,x zb()o9(zhu+bn9 zou x a/ fjfrated from an mRNA moleculxoab,z fx jnf 1ru/u+ohzb )9z(9/x(he with 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 complimentary base pairi3onluq(c8up678 .:: y8xhzq jod ywbmng is essential in converting a base sequence in DNA to a polypeptide ooqn:u6z837qu. cy 8 x:pb (djym8hwlsequence 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 sequen;i yes4, jbgay bk0;f+ce of bases in the mRNA molecule. Exp eyfi+bbk0s4, gy ;ja;lain 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 transcription both hon xiskg;7wds vy z:b36z -:(* xh*cooccur unidirectionally in a 5’ 3’ direction. Explain why this is essential in the case of transla-3*b:so 7s*w (:h ;ky xonz6d ixczvhgtion.
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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 pro/w6qqf w0;x3cz 2nzwz jn.hf*duced by transljcn hw*zq3fqzx 6n./0z2w wf;ation.
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