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: 匿名未登录  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 lix*0h7 e1 oc 8 br5 bfubwcp*z1f(zz9xcving things, viruses are not considered to be z957*urcxcpe 08zxzfb1c1hfw b( *b oliving
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 accurate description of a nucl vh. (/r)kg +n.g66hxybssvjmeotide?

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 followinr vd/e g2o)wv :kjq85p:r wm ;jgrf:j/g 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 parv(3z/ 6vr;aj pihlzm(z(noi-ts of DNA on the diagram of DNA shown below. (5 marks)m3v jz(/(r;( zhinp6 izloa-v
(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, qcj5 .*;4hf.iq w hjxew3yax5the meaning of complimentary base 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 important in the replicat,o3*9ff4b1ew2 nrwilt gmb ;l ion of DNA as the go 2mtfl1ne l;rbw,fg9i4*w b3enetic material.
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 outline the differences between the structure oxwn6zgtptpl 9*3 ho5kyqi 3 h *;v,jjuu 3h(/if RNA and Dh,n *iy5v /*;j3wo3jglz(hpp9itutxkh u q36NA
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 material of all living hh9m9zzoz4( enok;r,m f/ 2 qiorganisms. Outline how it is possible for these universal DNA molecules to store varied genetic information both w rzfi(,oo9m9z4q /h2m;en k hzithin 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 u )aut5 f1wxok7sed viral bacteriophages to demonstrate that DNA, not protein, is the genetic material. This 5wku1)xt f a7oinvestigation used radioactive phosphorus 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 unit of a chr.pe0sr;i q1tjomosome. Describe the structure of a s;.e10r iqtpj nucleosome.
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|手机版首页|使用帮助|题库网 (https://tiku.one)

    GMT+8, 2025-8-13 21:10 , Processed in 0.094351 second(s), 42 queries , Redis On.