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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: 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 re 6a: btd1rcq)lsponsible for the breaking of the hydrogen bonds in DNA to allow trabq1 d t)lr6ac:nscription 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 dim 3w q v-0udc7ct:l3tdfferent 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 thei.7qypfi5 o.jtx0w5hep xu10 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 cij m x5r-)*kkbode?

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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 85yy/kg eid1r bacteria. The bacteria wil8ydr1/ giyk5el then manufacture 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 sequenx6t0y:eg0va x7;lrx ufa e;7 qce 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 7j;jo u2do/51zjoud*hk4q3xn ta,ss cause a change in the polypeptide sequence of a protein but a point mutation of CAU to4 2uxsd,o u o7 1qazhjdj/t5s;on3 kj* 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 transfermb0) 5us;zdew RNA molecule which carries the aminwe z 0d)b;mus5o 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 from an0 edgox5wb.r;iayz 38 mRNA moleculiryogd.0;3 zb85wxaee 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 bas9cyqgjks ww22.,+xsiucz+ c. v; k z53l 3bwzze pairing is essential in converting a base sequence in DNA to a polypeptide seq 3cvzwzz9 c bjxcqls2 ;g u 5kiz,+.sw2+3k.wyuence 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 .gady b( )l3pk)pet3afrom a sequence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves along an mRNp.3yagl( )p3ke )tbda A 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 transcrip taddav4 ujj9 o(/ 39d6suttw1tion both occur unidirectionally in a 5’ 3’ direction. Explain why this is essential in the case of translati16a/ovt 99 j3(tad d4uts ujwdon.
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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 mathwe+/ld+r)zl 2 pdq8 sure mRNA is different to the mRNA produced by translatiol l e8wrhdz+spd)+2 /qn.
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