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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 responsible for thei 0p*9tp*l -rl k:drtx breaking of the hydrogen bonds in DNA to allow transcriptio0d* :ltt p rrxk9l-ip*n 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 tissueeslz +6d 2:t: pqua:(gn q.bbya9xuo;1yaa:e s 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 manufactured b8 ta bjnx1y17 l2h5bhsy 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 the genetic codeep7i4 aqx, pt/?

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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 insert(thr* cjh*n j*+:xycied into bacteria. The bacteria will then manufacture the protein,(h:yj+ nj*txc*hr*i c 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 sequence 5 g(myb2t4yq;wutixyz hz, 02 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 )6, gdsa-x* a exh2tvg-sz6ag e8wiv: of CAU to CAG would cause a change in the polypeptide sequence of a protein but a point mutation of CAU tova-i, 2wszegvt6gxs8x ghad*-): e a6 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 t3-xu im;9xlnf4sgjx 6 9zn-m on the anticodon of the transfer RNA molecule which carries the amino acid tmnsf ;tn-mu9igx l6-39zxx j4ryptophan (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 *thg .a)cd8 ycaiu2hy5m3hd, an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-letter codes in 2 8.t,5dhiacu3 dh*gyc)aym h 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+vhr*a g 9zmn0ic-h;s pairing is essential in converting a base sequence in DNA to a polypeptide sequence in a po;zhg+nv ra9-ims h0 *clypeptide 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 from a sequence o5av1f+d e -stnf bases in the mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves along -ef5a1 +svt dnan 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 unidirectiq3 ) zlfddm1f e75g0f hut3k+d7kv/edonally in a 5’ 3’ direction. Explain why this is essential in the case of translationl+du3/ d fhkev k3mez5dq1g7t d)07 ff.
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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 v sp( vl4ue j2,m 2 j)t/qvrsuu:6sx*tin which mature mRNA is different to the mRNA produced by transla: (vr s4uttqj2ml2pxjesv)u 6,s/u *vtion.
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