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习题练习:HL Topic D2.2 Gene expression



 作者: admin发布日期: 2025-02-01 16:20   总分: 9分  得分: _____________

答题人: 匿名未登录  开始时间: 02月01日 01:14  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 1 题组 (共 4 题 4 分)
  1. What is the proteome of a cell;youwnv .mcrpu00t 3(?

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2#
 
单选题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
  2. Which of the following can cause phenotype differences between monozygotic tw..cb(l bct9p viv tcpbb 9cl..(ns?
I. Exposure to different environmental influences.
II. The genotype of the monozygotic twin.
III. Somatic mutations.
IV. Different methylation patterns between the twins.

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3#
 
单选题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
  3. How is translation regula z)kuvjtpa-- rk/f j2*ted in body cells?

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4#
 
单选题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
  4. Which of the following are altered by epigenetic factors vn k5)s2zez 3aduring the life of an3eznks2a)5 vz organism?

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5#
 
问答题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第1/4题
题组内容描述:
5. A type of air pollution, PM 2.5 particulates, has been shown to cause methylation of the CDKN2A gene. This gene codes for the protein ‘p16’ which slows the cell cycle when it is produced, preventing cells from entering the S phase of interphase.
a. Outline how gene methylation affects transcription of a p4e98:vvb4klop g+b j gene.
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6#
 
问答题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第2/4题
题组内容描述:
5. A type of air pollution, PM 2.5 particulates, has been shown to cause methylation of the CDKN2A gene. This gene codes for the protein ‘p16’ which slows the cell cycle when it is produced, preventing cells from entering the S phase of interphase.
b. Tumours are formed when cells lose control of the cell cycle. Explain trj o1f g:4lzak24; i9adf5ehhow methylation of the CDKN2A gene c rzfel 44hiag 9;d:kjoa 2tf51ould enhance tumour formation
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7#
 
问答题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第3/4题
题组内容描述:
5. A type of air pollution, PM 2.5 particulates, has been shown to cause methylation of the CDKN2A gene. This gene codes for the protein ‘p16’ which slows the cell cycle when it is produced, preventing cells from entering the S phase of interphase.
c. Give one further example of an environh2qrv h*v *:admental or external factor affecting gene expressiov2r*hv *h:qd an.
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8#
 
问答题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第4/4题
题组内容描述:
5. A type of air pollution, PM 2.5 particulates, has been shown to cause methylation of the CDKN2A gene. This gene codes for the protein ‘p16’ which slows the cell cycle when it is produced, preventing cells from entering the S phase of interphase.
d. Most epigenetic tags are removgpe dj uh -)b.ya:lrit30.9lt ed during the production of gametes. Outline one consequence of the removal of epigenetic tags in game ra tt0blh-epl. ugijyd:93).tes.
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9#
 
问答题 ( 1.0 分) (组内1/1) 切至整卷模式 搜藏此题  
第 3 题组 (共 1 题 1 分)
6. Outline the ways that tr9oz-xzz x5km9anscription of DNA is regulated in cells.
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