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习题练习:HL Topic A2.3 Viruses

 作者: admin 发布日期: 2025-01-24 21:47   总分: 13分  得分: _____________

答题人: 游客未登录  开始时间: 25年01月24日 11:20  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 1 题组 (共 6 题 6 分)
  1. Which of the following features do viruseyc ycta ,cy m(uq,60-ks have in common with living organismsc uya6q(c0kcy-m ,ty,?

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2#
 
单选题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
  2. Which of the following factors complicates the treatment offumd7u gas -)c4t o2utrkq c;ge-b120 human viral infecti2e-ckqd 2u70;gf c1 to aubr )-mtg4suons?

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3#
 
单选题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
  3. Which of the follow-3tysj h5glo1 mkoo,,ing is the best description of the relationship between the virus and host orm-oj t5lg3oy1k,,shoganism?

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4#
 
单选题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
  4. Which of the followingmebeyl(i 2 )l(6;+uoaj2ha xzxtn6bisn:r9) are structures that all viruses possess?

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5#
 
单选题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
  5. Viruses have several forms of genetic information but manfb* ; d+0oddpr6iq -uay structural features in common. What does this suggest in terms of their evo*0a-do;i prudf +q 6dblution?

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6#
 
问答题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
7. Compare and contrast the lytic cycle with the lysogenic cycle of viral infe2sy;0lg f ps-b69ce vgf2y2ht ction of-t2 s9cf0epy ygvg sh2b ;2f6l a host cell.
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7#
 
问答题 ( 1.0 分) (组内1/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第1/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(a) Estimate the numbe09yd3zjck wb9 r of cases of Ebola in 1976-1977.
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8#
 
问答题 ( 1.0 分) (组内2/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第2/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(b) The total number of case of Ebola from 2d:gyw76)ues*qtm: vdr aa3 .0me x5ub 000 to 2009 was 1194. Calculate the total number of cau e s0 *yab5e7tr3g:v mqw.:u)6mx ddases that occurred from 1990 to 1999.
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9#
 
问答题 ( 1.0 分) (组内3/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第3/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(c) Calculate the percentage increase in the total number of case4 ui6vwuidi )+s from 2000 to 2009 in di6v i)+i4w uucomparison to 1990 to 1999.
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10#
 
问答题 ( 1.0 分) (组内4/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第4/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(d) The Ebola virus first appeared in humans in 1976. Suo5mnei(d3d ky01ukw,at r-l zph*7s; ggest how the virus first a t5wy*oald kr- ,i3u1 hnkez7s;0mdp(ppeared in the
human population.
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11#
 
问答题 ( 1.0 分) (组内5/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第5/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(e) A vaccine was trialled in 2018 and shown to be effective. It was mkzmu qfto( r;i-0e8gvp ;5a u4ade widely available from 2020. Suggest why a vaccine against a viral infection may pra uv0g8uo;ki-(m4fezr ; t5pqove ineffective in the long term.
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12#
 
问答题 ( 1.0 分) (组内6/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第6/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(f) The genetic material of v6 q/ mv b(px7tk7jj*tthe Ebola virus is single strand RNA. List two other forms thatp v/t (t*6jqmxj77 kbv viral
genetic material may take.
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13#
 
问答题 ( 1.0 分) (组内7/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第7/7题
题组内容描述:
6. The graph shows the known number of Ebola infections worldwide from 1976 to 2015.
(g) The image below shows a particle of the Ebtq4-9ymust: nxnui2 w )u/5ggn5yg:knt22uqola virus

The virus is approximately 1000 nm in length. Convert this size into µm.
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