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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: 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 hydrogen bonds in DNp ;-j3w6wd5nl ejn8r wA to allow transcription w-e jl;w8r5n 6jnd pw3to 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 o/mj:*2 mcti4hffq /a4f:j ufs rganism 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 manufacture(o 8n:s y+pbeam tb/1ad 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*qz bhvutn+qx 0:3e,d 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 in ih+uczdb,/6y sulin gene can be inserted into bacteria. The bacteriay6i, /hduc+z b will 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 sequed *s:0qoze(slxj;hku0+a* xonce 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 : gly8 og:wg(dto CAG would cause a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cauyg :dogw(8:glse 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 transfer RNA molecrz 8k: +iu5wfsule which carries the amino acid r f+: z8wki5ustryptophan (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 qq,q1irb c 8b/ e,li4dwould be translated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-letter codes in the qbdei1c8,qi ,bl4 rq/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 converting a jau8oa gv3-,n(ki s/ybase sequence in DNA to a polypeptide sequence igo(sayv- ,i8a3/j kun n 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 s dkx h71 x8jtkrf+laekb+ ln;d.8)dj(vfoi*4equence from a sequence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as the rib1.ednk74 ()8 k+b*l ra;k8ftj+h jfvoxid x dlosome 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 occur unidirectionally in a 5’ 3’ d :rsq ga7l ocnr1*9o8 xp(/b* np8njvvirection. Explain why this is essential in the case ofc px:pvnrs8/1*bojan vrnqg7 (9*lo 8 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 c2a5 8c. ke2/ltlf:z*n) z scua) sdhyto the mRNA produced by translation.tfn zec)as 8:2ck*)y .za/c5l2 udlhs
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  • 姓名:游客(未登录)
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