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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: 匿名未登录  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 viruses have in common with arz gy+ cyh8k 5:d.-qhliving organisms?gd8ayhzy5.r -chqk: +

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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 f* dd/ 5cgesg-pactors complicates the treatment of human viral infections 5egdg /cd-*ps?

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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 relacfype5 1i+: hfzy07y ktionship between the virus and host organismkf1hy i5e:+ypz c yf07?

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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 strcr lcdnt3 ; zmr5aa;;,uctures 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 u.lw::rti2e b forms of genetic information but many structural features in common. What does this suggest in terms of their evie2::urwb t. lolution?

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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 80iesng3(kve ric, kwj6(z4pcycle with the lysogenic cycle of viral infection of ai(j6 g(s n 4ik ,3vcr80zpeewk 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 number of canof19 sm0 px.hh/ kp8bses 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 case3ddj2oqi/3x6 ,quaj6 jwy; fh of Ebola from 2000 to 2009 was 1194. Calculate the total number of cases that occ36,x wqdja 6ijy;of/ dj3qhu2 urred 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 cases from 2000ievfbq6i4zan00 3 oe* to 2009 i4*zve3ne iq6 0b0 foian comparison 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. Suggest how the virus fir rzqim p 9(4p:a4fp-pgst appeared i(pma4 4 prqp-g:9izpfn 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 tr9sv4u*h,jv2 h c6wbvirw jt55ialled in 2018 and shown to be effective. It was made widely iw6w *,s4hr5 5cvv2uj9v htbjavailable from 2020. Suggest why a vaccine against a viral infection may prove 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 71 zpl;ax 8;auks1 ;iwjnlr7cthe Ebola virus is single strand RNA. List two other forjuzrk7pxswl;8a a7l 11 ;c;inms 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 of the0kc:oj fdccrie0( 7hw vv0un 4)wa95e Ebola virus

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