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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 viny sbvr9 )0tg*ruses have in common with living organismst g0rs9bn*y)v ?

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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 com.z m i(l8a67sr*lin gmplicates the treatment of human viral infectio8mi*g.zml 6ailr n( 7sns?

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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 relafo.4* cv;vgga tionship between the virusf;v.*gg 4av co and host organism?

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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 str,5q:9alcc) jkyaz x 1nqvz52cuctures 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 many structuralu(o3cx5 9n (9pjbjoeq features in common. What does this suggest in ((q3 oj5unj9pe xb9coterms 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 the lytic cycle with the lysogenic cycle of viral infectae8dic z ozk6 e *6ly39)lznb-ion of a host cei 96lz lz kde8)coab-zn*3y6ell.
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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 cases of Ebola in 1976svbv5w2/cw4u nrl6:noo bof4g wc2jx0:r q71-1977.
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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 2000 to 2009 wsj-jai+ 1z vi:as 1194. Calculate the total number of cases s:1v-iazjij +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 cases from ye52*k asx(- powlo, 4hd.6ra* osjrx2000 to 2009 in comparison to woo(*x-6p *oerdj2a5hl ,kx sya.sr4 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 trk*wmv) 2rpzik5:-w5vnqn 1 in humans in 1976. Suggest how the virus first appeared in t k*r)5v1t:q rw-25zipv wkmnnhe
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 triallepy 2 eaz-:.rho; e3odnd in 2018 and shown to be effective. It was made widely available from 2020. Suggest2:;rp -yzn. aeho3oe d 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 the Ebola virus is single st6 hwo9raabp.;a h;f5b rand RNA. List two other forms tha6a;w fbropa9.h 5 bh;at 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 Ebon,y).::ln r.cnwbr y zla virus

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