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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 f3wg 5uyi 59p b9stvwao2+p sx+eatures do viruses have in common with living organiswvt pywa x +s39s9i5p bgo5+2ums?

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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 thqpl ,;p3gsn x9e treatment of human viral infectionlg9 s,pp3q x;ns?

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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 relathxw)+tla:lx zubt 8 0zt31bvbs1.v l.ionship between the virus and host orh lzb. bvlx1tv+0: 8l btux3.wzs1at)ganism?

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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 thatmt+mrh we; 5p) um76-bot7vu+vaszb. 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 structural fiqm*rq r44,uj eatures in common. W,4j 4rru qimq*hat does this suggest 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 the lytic cycle with the lyq6 : ;uy sbdxia7+hb(fsogenic cycle of viral infection o; (f bahs:67udiqb+y xf 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 numghn4b -srjc4(bz zl8+f 4/c zgk xm9x7ber 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 2000 to 2009 was 119ydn1jx /ata8; b4p 8piijq7o14. Calculate the total number of cases that occurred t b8/1oq1pn ;aij8x ip4da7yjfrom 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 ina460khfa* z.5wz tnd lcrease in the total number of cases from 2000 to 2009 in comparisonh 0k4antwaz .6lf zd5* 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 fo*jo fcq20r ;qirst appeared iqcr2fojq;o 0 *n 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 effevsm/d3 tnta(x)-/vb epru3hzvn;0x w81v:wkctive. It was made widely available from 2020. Suggest why a vaccine against a viral infection 0vkr;nap t13-/)u3 h/s8(mtzbnxw :dwevv vx 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 shk56+td2rja d ytar5k.) 2r zitrand RNA. List two other forms 2 )dy5h 6atrdrktk5 zja.ir+ 2that 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 Ebola vi(iq9o,o oeti ;rus

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