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习题练习：HL Topic D2.2 Gene expression
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 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: 25年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 p )j0:b4fq su.1pgcoe of a cell?

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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 differenc pdzb943srrl+-d62 5ub /gkvg1pg dsx es between monozygotic twind2dzb 5g r 9/ u64-rps1xd3bvls+ggpks?
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 body cel,kxzg wol p2,:ls?

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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 b1q t:zod0n hqf14bzr j lh8t+8y epigenetic factors during the life of an orga+t 1zf4d8:zo 1qthb8rjql0 hn nism?

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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 tu *i :*irc pqfnl8:gv2ranscription 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. Explaq1ws f 4wc,w,1decn9w in how methylation of w9,q4w1s,d wcc1ne fwthe CDKN2A gene could 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 environmentank-y6kzmkd dxw a-gtv /no:ix /bh8)5v9v(2pl or external factor affecting gene expres(9nwyv x8o5m pv zk hti6b)2// x:a-dnkdgvk -sion.
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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 areok 2q kte a d3.:fk0,0l+sdutu removed during the production of gametes. Outline one cod ut o+3ka.du:qf 2,0elst k0knsequence of the removal of epigenetic 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 transc,- el 4coktj,xription of DNA is regulated in cells.
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