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习题练习:Unity and Diversity A.5 Viruses

 作者: admin 发布日期: 2024-02-03 12:10   总分: 14分  得分: _____________

答题人: 游客未登录  开始时间: 23年07月31日 17:14  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  
  Which is characteristic of both prokarys mmx+utp8:6(c 0h vbcotes and viruses?

I. Contain genetic code
II. Rely on host cell for metabolism
III. Surrounded by cell wall

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Viruses, compared to living organisms, are very small. Which other characteristi9wcj*d5b z +)smz1sh mc listed below distinguishes viruses from unicellular living ormj9+mszsb w*d5zc ) h1ganisms?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Bacteriophages and cx c:og6qc zx3 d 9m9vg3o+x/gboronaviruses are both viruses affecting living organisms. Which structures are present in both bacteriophages and coronavi/x od 9 g3vgm6oc xczb9:3+qxgruses?
I. cytoplasm
II. capsid
III. genetic material

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the rows below shows the correct characteristics of viruses, pij j9r)pzjv3df g+)w7 rokaryotes andwg3jfd+) zjrij )7vp9 eukaryotes?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followin17+ mzuqz(zy4edyb +lg components of some viruses are not present in both the bacteriophage a+el d17bzq+ mz 4yy(zund coronavirus?

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6#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
The image below shows a virus which reproduces using the lytic or lysovsdcmj*z 2* ovrilrin0+v7n :o/h1*ogenic cycl07rj+vvl soo1hon: i*d2z/ *m vcnr i*e.


1.State two structural features common to all viruses.

2.1.Identify the name of this virus.

2.2.Label the capsid on the image.

3.Compare and contrast the lytic and lysogenic cycles.
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7#
 
填空题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The image below shows the human immunodeficiency vira.a*p solz o8;us (HIV).


1.Explain the function of structure X.

2.1.Identify structure Y. Y is   .

2.2.Identify structure Z. Z is   .

3.State the host of this virus.

4.Describe the metabolic functions of reverse transcriptase.

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Some bacteriophages infect host bacteria using the 8 yvtz2 do:5hh +9xup ape6)5yfrvc6mlytic cycle or the lysogenic cycle. Which process is chara5h a82u)6xdtr cypz:9 + hfvy5emo6pv cteristic of the lysogenic cycle but not the lytic cycle?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which is not a factor in the rapid evolution zd:xw+v 1w-3d:qg upa of the human immunodeficiency virusua-gd dq 3x1v:z+p:ww?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The origin of viruses is an area of active research and explorationgyzb 3k4m0- ni ei,lcs qt1m:,,ljn z:. Which statement is not evidence that viruses have origins in m n3 gc:,z0b ell mtk,q-y,4zs: ni1ijother organisms?

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11#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.Outline the varied forms of genetic mater2b uzbzjm291p9c/wv5sc 8 iju ial found in viruses.

2.Discuss the evidence supporting that the diversity of viruses exists as a result of convergent evolution.

3.Compare the structure of the coronavirus with the human immunodeficiency virus, HIV.
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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diagram of HIV is shown below. Wcip ;gftb);d/k/aza1 hich structure is composed of glycoproteins?


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13#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.Outline the methods of HIV transmission and its effec) gtpcz:xp 2b,ts on the immune system. txcb)2gpz,p :

2.Discuss the need for international cooperation to fight contagious diseases such as Ebola.

3.Antibiotics are an essential tool of modern medicine. Outline the strengths and limitations of antibiotics.
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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which is not characteristic of HIV?90q +skocq c j/qs-9n9vbar. k

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