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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: 匿名未登录  开始时间: 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 about the produc z31f5lr. s z;1j p*e-qtozwuition of new DNA in u j*5 fpwz3lt-esoi1z;1q.zr a cell before mitosis?

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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 DNAgrm m:+kuxpp++2llq( :)g cz o replication?

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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 that DNA replication normally achi*btnbyi18pd :eves two exact copies of the original moy8bpt:d *bin 1lecule?
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 process used to separate DNA 1wvde)/fa vb-fragments in DNA profili1 avbf vdw/)e-ng?

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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 blgjot9o5c0ro a4y b,/ y the PCR reaction.
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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 polymerase chain reac+wf a9c,* 9r t8m6/s zjejnoxqtion.
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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 electr;gpyy n7vn2i+l()8orcm1d cjophoresis.
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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 current in t5syp1k yp64q zhe 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 scenfgem ;vif9-(2b w1psse and from the 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 to be m -q+ wre/jd a6g*1rm7ou ys s4q3zp4ctade 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 DNAh /-uoxdf08wi replication.
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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 contrapvt /)d/q 3r 7v0-ge t: pkro,j1kfdqpst DNA replication on the leading strand with DNA replication on the lagging stra7rvp :)-qkd gtk3fq ,po/vrpd/0 ejt 1nd.
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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 ac+ k+n.s gn9tiucurate copies of DNA are produced in DNA r +us .t+gkin9neplication.
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