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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 thwhw)x bn89 5pee hydrogen bonds in DNA to 9)5hb ne wxw8pallow 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 samwy / 5 mmnd5tli2cw4(te 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 prote6mgnjl/t d rgcbn (7re9., dj2ins manufactured 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 corj ra bbx 3ve01l83zpvk/-t,eerect 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 insertedfq8 97bomoe;l into bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria utilise a human gene to manufacture insulib o9e8; qo7fmln?

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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 by, , w:j)lmzl6w tosz4ase 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 mhqw 96(h/ onyfcfd u.h7/ l2klutation of CAU to CAG would cause a change in the polypeptide( o/d./c yh2hh9n f6lfwlku q7 sequence of a protein but a point mutation 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 pnhr a;i.vva lv.+a-l65wa,vtresent on the anticodon of the transfer RNA molecule which carries the amino acidavn vati5,;l -l6v.rav+wh.a 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 ac+i0qoa4k/ :lqk )pqlw ;9ep)ka/ck wmid sequence that would be translated from an mRNA molecule with a base sequence of AUGAGGeapk; qk)/ql0ka kl9m)c :/iqw4w+ opACUGCUUGA. 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 p( ;ir;2fsyupa m0v+rbairing is essential in converting a base seque;sp;v mray (20bu+rfince in DNA to a polypeptide sequence 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 pozxjz )jxfea v9,,at ti,28i3 ylypeptide sequence from a sequence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves along an mRNA x9fj t)3i ajza ,2yx8vtiez,,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 unidirectionally in a 5’ 3zq z+l t7h8ol5’ direction. Explain why this is essential in the case of translatiolh z8+ tl7zqo5n.
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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 producedj y,p8 .iuyfu(1znm -s by translationpy-s.jnm ,izuy18u (f.
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