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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 statemen *8rpwcu)3;+yryq0df f6h jl ats about the effect of surface area and volume on the cell’s processes 6py3f;8c*fuy 0r+)arh d wljqis 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?fg45yeba3o i 4

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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 cell type a/yif(*1y df bddapted for gas exchange in the lu1yd y(/bfifd*ngs?

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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 ls,duvf jf5u 2,ite0n+imitations 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 where could ssz9)fnd / t6oit be located in a mamm6 9zsdo/sftn) al?



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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 cf7 sis,0 9-btdu t+nmgd*z o:gharacteristics of type I pneumocytes contribute to increasing the rate of gas exchangg7nt,d :*t9z 0 db- mfsi+sgoue?
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 fr v+-3z 4xu rvyz zly9s ixrfe77uo:)b2om a 36 year old. One of the functions of these cells is to produce red and white blood cells. What type of stem cells has the patient receivex ybv -fz7 37u2ylxvus9zr:o+4e)izr d?

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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 rt aak9mz c-7f45dp2 1veell8 muscle cells and striated muscle fib -mflt81ze lapr 49dvaec 2k75res?


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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.f4rk hu2pxd0; Neurons are the longest cells in the human bokr4h;f 0uxdp2dy.
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 respiradw- 5h pn+a lic0(jfx)tory distress syndrome, which could be caused by a lack of+xwjdi 0-)cah5p(n l f sufficient surfactant in the pulmonary alveoli. The 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 isf6*dm+f7qd ck l6 j/es a reason that embryonic stem cells are not used in the treatment of leukaemia? d6fsjkl /cq7f+6d me*

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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 differentg9,3q rmbh,umb qf*4g organisms. Which red blood cell will have therufb, gbm3q 4,hq*gm 9 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 c2keb+w;v nr3 bells lining the proximal convoluted tubule make these cells more adapted to the functi+bw2; 3vrbek nons 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 specialised cells bb9fg8r7.ldgis/are not true8frbg 9.ldb 7g?

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 t2) n,zptmr;pmo largest?rt;pzmn, mp2)

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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 the cci v/.r-h-vig3wd a77u6sho correct disadvantages of the different stem cell sources fo7 ihavug.s vw3-/c -6irdhc7 or 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 6( cc,zj1 sl/yu xce1tmay be used to treat type I diabetes in the fu6c1e xzj 1ccy/,st(luture.

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 scaleft(g(dw.8ar l).

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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