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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 hydrogen bonds i/5fjmd 3wg5v xn DNA to allow fx 5wmj/3vg5 dtranscription 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 tyj1, lhy)xm,o0 njir/j.9 sl uissues 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 ma4zr2 /v ag3 d1dilx q(t7s9cawnufactured 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 cor,p))m grmof- arect 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 t: u95rp rk5ro:pyfq 6xbpom (5d44irinsulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can b m96 p5 ob4p4rqyu rp: rxo:dkifr55t(acteria 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 sequencel (t6eod jir ;v89hdc. 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 too k, s+ggr7q0s CAG would cause a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change in the polypeptide se70 ogss ,qgkr+quence.
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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 thr3)794zo w6q1 el gcv*a xagi:qoltn8 e transfer RNA molecule which ca g:evo6c1ati qq)4l ox9w7 3zanl8g r*rries the 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 wo)dam u/urx1 mfqv n,v7,g 4b:ould be translated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-letter codes in the tofvu,dxgvb /r : 1)n,uam47mqable
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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 con l5n* bzdw6ri7v(*( 5wgedmte verting a base sequence in DNA to a polypeptide sequenvwbee (6lzr*d (w5g7 tin5m*dce 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 polypept-wjxzkg c.i2h)hwi j7d;r x4 3a1+ nbuide sequence from a sequence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves along an mRNA molxh4n)u+i12j3cb;gkhjz x.7 awdi w r-ecule.
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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 mrzyp4l*y p k41g6qw4 both occur unidirectionally in a 5’ 3’ direction. Explain why this is essential in the casek l6rp4y1 4gwz p4mqy* 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 mature mRNA is different to the mRNA p0(2shlzr b:uf roduced by translasu0 lz(2:fr hbtion.
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