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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 viruses97z cub lyeidvc 60w:m59q)cs have in common with living organisms?i9 cdq zv6:95cemsyc)l 7u0bw

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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 followi.+(h ye6 qcspo q v.1a2dctl*zdey+f7ng factors complicates the treatment of human viral infectlvq cyy.e (1e.c q+6a+d7h ztodps*2fions?

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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 following is the best description of the relt e-c.)gagrsmca ;ap+7c c1*pationship between the virus and host org.1)7mg+-a tprc acc g;e*s apcanism?

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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 following are structures that all viruses poh7)nv ,2hqt,ab ,vu icyg0/m zssess?

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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 informu /b8i)gp quoksfl3he/ om)m;hn.21 vation but many structural features in common. What does this se8i .ho/;bks) pmq u gu)ovnhm21f/l3uggest in terms of their evolution?

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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 thee-(9udl7 ohtt lytic cycle with the lysogenic cycle of viral infection of a host cell.o7etdh(l9 u-t
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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 number of cafz4ol:a, hd 5 wikf+p1ses 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 c 6ossyu74 9q tpp2/sf 4ssiyw+ase of Ebola from 2000 to 2009 was 1194. Calculate the total number of cases that occurred from2q 9p su6syfp tsiso /s74y4+w 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)m5lzd2m qc j6 number of cases from 2000 to 2009 in comparison to 1990 5mj 6q) lmdzc2to 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. Suggest how the viruu gi2hpyp6 //dyf4yt0s first api/g y/yyhdp 20 pf46utpeared 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 made e,3 5fadsq5 .f- yao+iczj:qqwidely available from 2020. Suggest why a vaccine against a viral infection may prove indffs+ 5y5cq ojezaq .i a3,q:-effective 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 the Ebola oaq+v/ftmw1 0 virus is single strand RNA. List two otherat0 + mv/qwf1o forms that 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 o3 gbq x9bb81l- g6dxhrf the Ebola virus

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