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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 celyykq7l8 1;) 0natsk 9yxzh.oa l?

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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 between9ol0cr (m 7r5q0o*/gepevyyt monozygotic twirv*logye0rq (c 5p 7tyo0/9e mns?
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 regulated in y-,urm 5l g4q 3hmcm3cbody 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 af/uyg*1rspuid 7lg t/h o0mk* :ud9r 2re altered by epigenetic factors during the life of an 7y0k u/i:uuofgr*t*dr p m/d2 hgls19 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 methylati 3urkj8km8:rxtxr ; -hl7n*vhon affects transcription of a 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 hok, ar eisjl54lmv9x(ger x(j6p (kv o8 (xw+7nw methylation of the CDKN2A gene could enhance tumour f 9v6x((lm +(wk8jjv,rsl nxgp4r aex5ei7ko(ormation
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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 envidrvxv7l35b ao.bp *1n s1yaygninx m0l , y078ronmental or external factor affecting gene expr80.dax y7 ba1rx5,y*3li0ypnvmbvnn1 7lgosession.
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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 remove bqlj/p,,7x sg4i ce.iij i+b7d during the production of gametes. Outline one consequence of the removal of epigenetb/q i7ps + j l,,eii7i4.jbgcxic tags in gametes.
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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 sq uer0:4 i;hxtranscription of DNA is regulated in cells.
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