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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

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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 ch-e,u3 ixglv s *j)c tnwmlc,vxw((59 xaracteristics of living things, viruses are not co(iw-vv,l*ncxewu5(t,s )9 3c mxjxlgnsidered to be 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?”

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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 vjf w rkdn/h;r/2,d .z h66jkjnucleotide?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  3. Which of the following describes the backbone of Ds-fp wib*m4y- NA?

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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, 3sgc (ons/+jjsjxa o;u1y8k marks) a+sng1y oj /8;ojxc ,3ssj( uk
(a) Hydrogen bond
(b) Covalent bond
(c) Nitrogenous base
(d) Deoxyribose sugar
(e) A single nucleotide (by drawing a circle encompassing a single nucleotide)
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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 base pairin1oc3pjtp9 ,jiv :tfp*c1 i pn0,jvj a6hzo a++g.
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6#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
6. Outline how complj man( 39xso9pimentary base pairing is important in the replication of DNA as the genetic matesa9jo 9mnp(x 3rial.
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7#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
7. Complete the table to outline the d:8;b zltk0 b lhq.mb)tifferences between the structure of RNA an0:m )lbqt8.;zlbktb hd DNA
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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 organisms. Ome-l24 dt8z 6rcbs/p tjfjk5 0utline how it is possible for these universal DNA molecules to store varied genetic information bo2j6dtrc/5 jmt-l0pfeb4sz 8kth within species and between species.
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9#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
9. Hershey and Chase used viral bacterfk9o 5 ze1)b6nyubeji29q (m hiophages to demonstrate that DNA, not protein, is the genetic material. This investigation used radioactiu ob qm9z5y(iefb921 hj)en6k ve phosphorus to label DNA.

Outline how radioactive labelling was used in this investigation.
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10#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
10. A nucleosome is a structukck0y ,6/ tvioral unit of a chromosome. Describe the structure of a nucleosom6vk/c0iy ,okt e.
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