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:Topic A1.2 Nucleic acids

 作者: admin 发布日期: 2025-01-24 09:47   总分: 10分  得分: _____________

答题人: 游客未登录  开始时间: 25年01月24日 09:47  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  1. As they do not have all the characteristics of living things, viruses are no2) )1w afvw*dsyhy wb)t considered to bwf ) hdyv)wy*2was)b1e living
organisms. Therefore which is the best evaluation of the statement, “One universal property of
living things is that they use DNA as the genetic material?”

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  2. Which is the most a6 edz:mq: n6c sj/dn/x2hncd6ccurate description of a nucleotide?

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  3. Which of the following*y gpfl,wo)*iz ui8/m describes the backbone of DNA?

参考答案:    

标记此题
4#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
4. Label the following parts of DNA on the diagram of DNA shown below. (5 mark9 ncvu yrlcw: e,j2(p;mh45n xs) rx : 2ch,j9n5um;le4wvny (cp
(a) Hydrogen bond
(b) Covalent bond
(c) Nitrogenous base
(d) Deoxyribose sugar
(e) A single nucleotide (by drawing a circle encompassing a single nucleotide)
参考答案:    

标记此题
5#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
5. Explain, using the DNA diagram, the meaning of complimentary ba)z8b7dvq6 z qpse pairing.
参考答案:     查看本题详细解析

标记此题
6#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
6. Outline how complimentary base pairing is imporg frx6q -uv) .siyra3./rwk*ztant in the replication of DNA as the genetic mat3ksr)i-z6aq.r y/w r x* f.ugverial.
参考答案:    

标记此题
7#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
7. Complete the table to-.sj2o9ircpf;m a)6k)hkfb6 0mg gop outline the differences between the structure of RNA and Dprc-g 9f)m of)o gbipk;.6a20m6kjsh NA
参考答案:    

标记此题
8#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
8. DNA is the genetic mateh *ny;d9)guqi cq 0z:jrial of all living organisms. Outline how it is possible for these universal DNA molecules to store varie0n qgd jyzu;h9:i *c)qd genetic information both within species and between species.
参考答案:    

标记此题
9#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
9. Hershey and Chase used viral bactq5h- x ,8vrctferiophages to demonstrate that DNA, not protein, is the genetic material. This investigation used radioactive prfh ,c8x-t vq5hosphorus to label DNA.

Outline how radioactive labelling was used in this investigation.
参考答案:    

标记此题
10#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
10. A nucleosome is a structural d(fi32e-q/7hfhhg 8azp sn7m /k w:ji-hs ;nrunit of a chromosome. Describe the structure of a nucleosopha8g2 hhnnw i/3s- -firm j q7hf:ks;/d7z(eme.
参考答案:    

总分:10分 及格:6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 10 道题
本平台(https://tiku.one/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
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|手机版首页|使用帮助|题库网 (https://tiku.one)

GMT+8, 2025-11-20 08:53 , Processed in 0.150712 second(s), 41 queries , Redis On.