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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 viruses have in common withfown , hose(l *m,mu rb6+,wg8 living organisms?8u6 rf,ol smn h ,oe,(*mwb+wg

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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 complicatxw/;4 y;ar8xex /aho ves the treatment of human viral infections 4xraaw;xeo vy/ 8/hx;?

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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 relationship betwz0 2jrrk1af r4een the virus and host organis jfar401 rkrz2m?

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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 virusesch3 ;ke*wtq 8(c5pswt 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 stbn fl n43a8dt5t2ktqvc5- m0uructural features in common. What does this sugct5tldt 02nv 54umqb3-ank8f gest 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 lysogeni sksi;zy*p/et.g7 v 6vt7c,hxa m;x 1sc cycle of viral infection ofpe zkgm xc s v tta;,vsxi*17.h/y67;s 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 number of cases of Ebola in 1976-1f ;13x a.vdian977.
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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 Ebor73 58le )dl yvgcg2fae ufqm4t*/hes 5ij- r2la from 2000 to 2009 was 1194. Calculate the total number of cases jt 4va) 2c/iesqu8f53legm h* 25efd-ylr r7gthat 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 2000 ted.v0f5:n amygp5 9ua o 2009 in comparison to 1990 to 1999.g5:09 5yvmpnuaed.fa
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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( ms*y,jqhze;qr9; xi virus first appeared in ti(*q; h;9yq,zrem xjs he
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. Ivq5..zyeax5b b 8z an-t was made widely available from nxqb- y55eaz vb8.a .z2020. 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 the Ebo26xdnbzl :rr 6la virus is single strand RNA. List two other forms that viral6:nz blr d2x6r
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 as, ;/le4hy dmg particle of the Ebola virus

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