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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 breaking w:4ex )yb d:zwpvrw:+ of the hydrogen bonds in DNA to allow transcription 4+wpdb: vz :we xw:yr)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 sin(mon 9kaqe;09af oq 0dm,f: ame 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 manufactured by the cewvohy v .;88 3rvq616vncyk5pm7 ytlp ll?

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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 re4y:uly(7 zk vd .f9 v4jy6(zil7szpwjgard 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 insau-b7v 3+ fphvulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bactevubha 7+ vp-f3ria 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 b1fu:tk pm,l6base 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 to CAG would cause a changijb;x /2xyi v0e in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change ini0i2 ;ybj/x vx 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*qjh - 2.hdjs6 wg*3yon2hfhx RNA molecule which *h sqj.xn*h2 hh2 wo yg6d3fj-carries 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 sequenceyih l+g4opm*i 2s(* gb that would be translated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-letterglg iohb*4ps(mi+ 2y* 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 pairey z5s8tfm6a *ing is essential in converting a base sequence in DNA to a polypeptide sequence in a polypeptide chain.y5stfa *e6 mz8
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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 polype (tcmouccc++ru9:ib(rk wu( ; ptide sequence from a sequence of bases in the mRNA r+c(r:c cu mo uk;u9+ibtw((cmolecule. Explain 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 o;u9fdyp6 od1 * 5vippnccur unidirectionally in a 5’ 3’ direction. Explain why this is essential id19oupd pnyf5p ;6 vi*n the case 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 diffo4c yh q+k1:xk- 8imr,v /hpqkerent to the mRNA produced by translat +o4qyqkc:,ix m kh/vph8r-k1ion.
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