题库网 (tiku.one)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


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

标记此题
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 production of ne)ikk5f+8 r8tj 0utasx w itj+af808 )krs5tuxk DNA in a cell before mitosis?

参考答案:    

标记此题
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 helicaseo io/cj 9-,n0 mv*qyua in DNA replication?

参考答案:    

标记此题
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 normw-i m,q( gkcl)4fqv4ki hi;,xally achieves two exact copie,hl4wv (i i -q,gic k)kxfqm4;s 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.

参考答案:    

标记此题
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 separ)oe axmo05:6boty yyi.) zl8 eate DNA fragments in DNA profiling?b l)txzyya8o 0oo:5)yie 6.me

参考答案:    

标记此题
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 ui39 gz 1fzxk(qiej8-;ad3 wi1xyg ,vDNA by the PCR reaction.
参考答案:    

标记此题
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 reacal*cqrcq2h zgye* pns+, 2i* ;tion.
参考答案:    

标记此题
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*j t/; 3)gdpsycp +jcl1boj/n the electrophoresis.
参考答案:    

标记此题
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 ug9 4hax4bvh-kpj *l.the electrophoresis.
参考答案:    

标记此题
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 suspectdet,up 2 wsb wdbz9(0(32equxe;dpcw65 it2 u.
参考答案:    

标记此题
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 made ontf/8 muz*t4az many DNA fragments.
参考答案:    

标记此题
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 inocrk5 ,l-g:z ds sm6z 1-4dnpw DNA replication.
参考答案:    

标记此题
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 / .-unc* bsy.rhbhufv-j2 ao ;strand with DNA replication on the lagging stransj.vb- -r. ho2bh/ya*nf ;ucud.
参考答案:    

标记此题
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 accurdod/hc;9a( ; w1urpz7zr ye-yate copies of DNA are produced inpe r d;1oya-h u/r(9zy7zdc;w DNA replication.
参考答案:    

  • :
  • 总分:13分 及格:7.8分 时间:不限时
    未答题: 已答题:0 答错题:
    当前第 题,此次习题练习共有 13 道题
    本系统支持习题练习,作业与考试三大模式,作业考试自动评分,成绩排序一键导出,可设定动态变量同一试卷千人千题
    如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

    浏览记录|使用帮助|手机版|切到手机版|题库网 (https://tiku.one)

    GMT+8, 2025-2-23 05:53 , Processed in 0.122320 second(s), 53 queries , Redis On.