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习题练习:SL/HL Topic D1.1 DNA replication

 作者: admin 发布日期: 2025-02-01 17:46   总分: 13分  得分: _____________

答题人: 游客未登录  开始时间: 25年02月01日 01:07  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 1 题组 (共 4 题 4 分)
  1. Which of the following is not a correct statement aboutxycsk q 6pc)yvo3 7e.0 the production of new DNA in a cell before mi) 6ce7yv.x30ksqpc yotosis?

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2#
 
单选题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
  2. What is the role of helicase in DNA replihu r--z1n bu9jcation?

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3#
 
单选题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
  3. Which of the following are reasons t,avw- *gv4b0vzj3i by:., f)t tc ngiehat DNA replication normally achieves two exact f0ae) b 4vi-vn,*cyztgw, btvi:3g.jcopies of the original molecule?
I. Base pairing is complimentary.
II. DNA polymerase cannot make a copying error.
III. Replication is semi-conservative.
IV. DNA base sequences are always the same.

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4#
 
单选题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
  4. What is the name of the process1tl 3ny,xz-3n4dqp l p used to separate DNA fragments in DNA profilinn43ppzy- lld,3 xnq 1tg?

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5#
 
问答题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第1/6题
题组内容描述:
5. The polymerase chain reaction and gel electrophoresis can be used to identify a suspect from DNA left at a crime scene. In using these procedures, explain each of the following:
I. The need to amplify the DNA by the PCR reacbq zz.)+nod7 q pyrvas,fj.xkqo345.tion.
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6#
 
问答题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第2/6题
题组内容描述:
5. The polymerase chain reaction and gel electrophoresis can be used to identify a suspect from DNA left at a crime scene. In using these procedures, explain each of the following:
II. The role of enzymes in the p9 9 b mdlq/jv+kdhz6x6a/do8folymerase chain reaction.
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7#
 
问答题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第3/6题
题组内容描述:
5. The polymerase chain reaction and gel electrophoresis can be used to identify a suspect from DNA left at a crime scene. In using these procedures, explain each of the following:
III. The agarose gel used in the electrophor2k1o 4nhj7-pk)wh5atigh md )esis.
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8#
 
问答题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第4/6题
题组内容描述:
5. The polymerase chain reaction and gel electrophoresis can be used to identify a suspect from DNA left at a crime scene. In using these procedures, explain each of the following:
IV. The use of an electric y qs.j gu-u4; a4pj:2fmko7pzcurrent in the electrophoresis.
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9#
 
问答题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第5/6题
题组内容描述:
5. The polymerase chain reaction and gel electrophoresis can be used to identify a suspect from DNA left at a crime scene. In using these procedures, explain each of the following:
V. The need for DNA samples both from the crime scene and from the ;c4c i1)f6kqtek;;(lqgs kim suspect.
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10#
 
问答题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第6/6题
题组内容描述:
5. The polymerase chain reaction and gel electrophoresis can be used to identify a suspect from DNA left at a crime scene. In using these procedures, explain each of the following:
VI. The need for observations fjea q4)3vmt :to be made on many DNA fragments.
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11#
 
问答题 ( 1.0 分) (组内1/3) 切至整卷模式 搜藏此题  
第 3 题组 (共 3 题 3 分)
6. Describe the role of enzymes in DNA repli-9nwg zk5jv s8cation.
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12#
 
问答题 ( 1.0 分) (组内2/3) 切至整卷模式 搜藏此题  
7. Compare and contrast DNA replication on the leading strand with DN1gz fm9uav2i uzk.3o1 y9wnv.A replication on .nwko.v z 3g1 fy2az91vum9uithe lagging strand.
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13#
 
问答题 ( 1.0 分) (组内3/3) 切至整卷模式 搜藏此题  
8. Explain how DNA proofreading ensues that accurate copies of DNA are produ;oigi 2xb.:v -g c8sh njgtygn;;:k ,mced in DNAo2i;hg x8k;igbm:nysv g.:-g ;nt c ,j replication.
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