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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 following statements about the effect of surface area and volu;ywl8qxp -lh5 me on the cell’s p-pq8;lwxh5ly rocesses 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 desczk/j-dq*j7v aribes stem cells?

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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 of the c, i ,) ue;nnwz)5g2e7wp4khmqssc ij2ell type adapted for gas exchange in the 2cn sjz hei7qwkg i5usmp4; nw)e), 2,lungs?

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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 limitati4 ,b+:k gbnpjudf1 1jtons on cell 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 function, and whereqzx :h9.57(fhrmay fk could it be located in .7h 9q5zrhym fkxf :(aa mammal?



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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 c5i6be16;/oztyv shgih4ry /mharacteristics of type I pneumocytes contribute to increasing tmeh y s g;ih o5i/6t/br6vz14yhe rate 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 zb7/nrqohv4/ year old. One of the functions of these cells is to produce red and white blood cells. What type of stem cells hasboz vh/7rq/4 n the patient received?

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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 idvu7fsd 6g lp*-entifies cardiac muscle cells and striated muscle fi6p-7vsdl fgu *bres?


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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 of a motor neuron. Neurons are the longest cells in nif6t 2-oq4r**mjagcp; l ;er the human nmpiael *4t g;r;qor-*f6j2 c 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 tdis 6g6pc m+3,/;-3sm t(d krgm chgvsuffer from infant respiratory distress syndrome, which could be caused by a lack of sufficient surfactant in the pulmonary alveoli. The diagram belos c- mgm6h(rtmstkp dd3,cv6/ig +;g 3w 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 ar iy)ff)kswr p ;-2dvf(q+5cmj e not used in the treatment of l5cf2)v w) qi-dj yfr smkf;p+(eukaemia?

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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 cells from different o)o9 vs zw9i02t9a oanprganisms. Which red blood cell will have the highest surface area to vol9a9pa0)iv9wz2 oo s tnume 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 erythrocyt, wwjll: j 5eajmhm-wm( jf5(.es and cells lining the proximal convoluted tubule make these celljmjl ,((j:h 5me.5wwlajmw-fs 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 embryonic stem cells and speciai;: cl9o e-ulney )bql,sc4r+j ob/ 0clised cells is/are not true? y cllq;e/coo:n b ijc s-94+0,u brl)e

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 smallesm28 m ns/cu,i;2b xuqxt to largest?nb 2m 2ius8u/m ,x;qcx

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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 table gives bxh+zph oz )0s5vw54kzlv+ 9vthe correct disadvantages of the different stem cell sources fohsvv+zkboz54zh v)pl5+wx 9 0r 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 be used to tr1(b: s;g8ul1s a hzsf 6isbh tjl48fzgk:hh(/eat type I diabetes in the fu( :thsl/fi ;sh4:zfbhgu16jgsslhk a8b8z1( 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 scacpvoe 6.wdj0la mzs c mv0j+9ozl29:5 le).

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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