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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 aboyva- 9(s5mfdh ut the effect of surface area and volume on the cell’s pro(9m-da v s5yfhcesses 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 describe.fv vc2;9rlgq6 2eif nms0/pws 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 cell type adapted fo-kc/b948k zkbk d7i vjr gas exchange in the lungs?/ 4kjkb v7bkzkc9 -d8i

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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 lim ud(bdj9cyz7 2itations 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 lsyi65 87phtncould it be located 8n 76htsiylp5in a 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 lh ;56496t9zsjpvi uhaxeo 6ccharacteristics of type I pneumocytes contribute to increasila69j6e z;csph65i9v u o4x thng the 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 br6f zq7gnp qt 1v;m;g,3oqf)fone marrow transplant from a 36 year old. One of the functions of these cells is to producvf;3)qpgmzot n1q ff;q 67gr ,e red and white blood cells. What type of stem cells has 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 identifies car/io:q2 h*vip ydiac muscle cells and striated muscle fibrep ioh y/q*:2vis?


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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 the humya mm2qw6p9wm8np- 84fp* mwban body.8pb 4pmaf2-y 8mq w6n*9mmw wp
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 suffv3h(ylzk hxrl7:v0 v(er from infant respiratory distress syndrome, which could be caused by a lack of sufficient surfactant in the pulmonary alveoli. The diagram below shows two : (llhh0v (kyx3vzrv7different 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 *3 fo/ag 4lzemis a reason that embryonic stem cells are not used in the treatmg3 af/olzme*4 ent 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 cells from difs lvjh3izt* vc .(za8 fb06x-aferent organisms. Which red blood cell l8i- a 3jv0.zz*(a c bh6xtsfvwill 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 erythrocytesu9du lj*)sspi5 :d9 amy3.y we and cells lining the proximal convoluted tubule mm .)5js9wiad3 *ys ulu9e:pydake these 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 embryonic stem cells and specialised cevb17;kc9 y nsjc* i0uclls is/are not true?; ys0kv cjc*bu 9c1n7i

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 t(9v.rd hi9(9vlr rt zghe correct order from smallest to largest?rhz( gr.( rdltvv99i 9

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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 correct dihd 3 2ly)yhs2isadvantages of the different stem cell sources for therapeuticdhhys23li2) y 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 treat type I diab4 yd*qj/ z /0emdihv mk*h;u6letes in the h/6vdq;e l*yj/ 0* m4mhkdziufuture.

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 speciall )du9 2 wsnpesr:ii;/ised cells (not to scale).

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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