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习题练习:Form and Function B.5 Cell Specialization



 作者: admin   总分: 18分  得分: _____________

答题人: 匿名未登录  开始时间: 24年01月03日 22:49  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followi*u) )pma p5y7,uq nk gl zoak/mg:n(7dng statements about the effect of surface area and volume on the cell’s pro:ydq)kgu un5n)7z7*g p, makp o/am(lcesses is false?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which statement best describes stem cells?9ui h/xh18 :1/pp le/qz gjhma2ybyc 0

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which is a correct description ,;4kyai*vp : ne.ogdzof the cell type adapted for gas exchange in the lungs?zn4i o:ga,v e.k; yd*p

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following explains the limitations on cel0+ia,auhpfh;wrq;1 h l size?


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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is this cell's most likely primary funjk, kg lw ub/th)v)y,8ction, and where could it be located in a mammatv)yh/bkj, ,kgw)8l u l?



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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following characteristics of type *aq+9 blr p8bavc (yl3I pneumocytes contribute to increasing the rab8( y3la* 9 lcqar+bvpte of gas exchange?
I.
Cells are flattened
II.
Secretion of a surfactant
III.
Cover less than 10% of the alveolar surface

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A patient receives a bone marrow transplant from a 36 year old. One of the funct* 4gt yd3flh8lions of these cells is to produce red and white blood cells. What type of stem cells has the patient receivl4 dy3 hl*t8fged?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Based on the Venn diagram, which identifies cardiac muscle cells and stri /ggt txoe+kjc3k:i ss *3)1fi8 tqu8iated muscle fibres? xi3s c 1k/ot8ti)gs :*8itfuge3qk+j


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9#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Below is a diagram ot k-jzyo-vf1vn )4(xzfl(n+df a motor neuron. Neurons are the longest cells in the human-n +vl4of)vxkzt y-(zd fj(1n body.
1.Explain the factors that limit cell size in humans.
2.Explain how life functions are performed by Paramecium.
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10#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Premature babies sometimes suffer from infant respiratory dic;l gga8om.nj1 s r2q-stress syndrome, which could be caused by a lack of sufficient surfactant in the pulmonary alveoli. q1. 2cl;arm ogj-sn8gThe diagram below shows two different alveoli structures.


1.Describe one feature of the surfactant.

2.Suggest a treatment for infant respiratory distress syndrome.

3.Draw a labelled diagram of the structures in an alveolus that are important for gas exchange.
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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a reason that embryonic stem cells oset rye/t9y5:l hy1 6are not used in the treatment5yy e rs6ltty:eo/1 9h of leukaemia?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The table shows the diameters of red blood 7, ut/bbdrp(m cells from different organisms. Which red blood cell wil db(p/ r,btmu7l have the highest surface area to volume ratio?

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13#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.Explain how the shape of erythrocytes and czbez59jb1 u6 xells lining the proximal convoluted tubule make tj59b ux6z bz1ehese cells more adapted to the functions they perform.

2.Compare and contrast the structure of striated muscle cells and cardiac muscle fibres.

3.Explain how the structure of egg and sperm cells are adapted to their functions.
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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which statements about emugn4sqiws3n 5yzn/93 bryonic stem cells and specialised cells is/are not true? 5squnng/z y 43nw i39s

I. Embryonic stem cells have higher levels of DNA methylation than differentiated cells
II. Specialised cells are more differentiated than embryonic stem cells
III. Most specialised cells and embryonic stem cells both contain the entire genome of an organism

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In humans, which of the following is the correct order from smallest to larsy*h48ps cyhyu hjp)9o(d )5 dgest?h popd) ush9)djys 5(*cyy 8h4

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which row in the following t m hx6-rn3,b7c 1orsgtable gives the correct disadvantages of the different stem cellr13o rb 7ts- 6xhgnmc, sources for therapeutic uses?


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17#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.Describe how the use of stem cells may bere4i rxnxc9 aseu5n/-v:bze)b . 1 *uq used to treat type I diabetes in the fuuv* axzb:eb4/rqn-s1n i5cr .9eeu)x ture.

2.Explain the factors that limit cell size in humans.

3.Explain how red blood cells and striated muscle fibres are adapted to their function.
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18#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Below are diagrams of specialised cells (not to scale). 8o. fa0u+kwf,h5w0xx0wh:yrep ,ttq

1.Put these cells in order of size, from the smallest to the largest.

2.Compare and contrast totipotent, pluripotent and multipotent stem cells.
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