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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 brd iayz ef+)yl lu7-:he9/*ayr eaking of the hydrogen bonds in DNA to allow transcription to o*ef da7u +yr-ehla):y9yl zi /ccur?

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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 organism produce different pryiz/o: +kjf3sop5ro ka1*c4m oteins?

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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 contro h8ud r, )(pc* om4gwrhq1jq.ol the proteins 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 correct in regard to the genetic code.ryezkz0 hk ioj4 .k. d5a*uct24kpp:?

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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 inserted1aae 0 n62nmcj into bacteria. The bacteriaajnac ne 260m1 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 sequence is shown in the t ff-6- r+mxvkuable?
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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 change in the polyh s:p+0i78cmuauwo+xq7ttq 0 peptide sequence of a protein but a point mutation of CAU to CAC would not cause any change in the ui:htmc7 +wqtpu8+ oax0 sq07polypeptide 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 moly wkb**cz/a k6ecule which carries the amino acid trypzcyw/bkka 6**tophan (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: .9z7kiwurvlx d kk0w;: n7xjuld be translated from an mRNA moleculexjv70dkz:k nkuwr:xwi7l; 9 . with a base sequence of AUGAGGACUGCUUGA. 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 complimer ; tax/ktg *ha.,o 3q7njrv9.igfr3zntary base pairing is essential in converting a base sequence i.ia/k f7gar j39ntrh q*v,3zx.org ;tn 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 polypeptide sequence from a sequence of bases in the mRcvpr*1 93otb d6od1e 0kjec8fNA molecudbo9r*816 j1pcdef ct ok3ve0le. 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 transcriptivx9/df x/rz.ml -tt- gon both occur unidirectionally in a 5’ 3’ direction. Explain why 9/ mv.gl txrfxdt-- /zthis is essential in 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 different to the mR(t ew.i ns/ju7-9xz,gyoh j0 iNA produced by tra7ytwzj /,(i9 eo-xs ni0.hj ugnslation.
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