Describe different types of membranes. from Biology Cell :

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 Multiple Choice QuestionsShort Answer Type

121. Give examples of  infoldings of cell membrane.
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122. Describe evaginations of cell membrane with an example.
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123. What is the disadvantage of freely permeable membrane?
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124.  What is diffusion ? Describe its importance in cell.
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125. Define osmosis, endosmosis and exosmosis.
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 Multiple Choice QuestionsLong Answer Type

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126.  Describe different types of membranes.


There are three types of membranes :

1. Permeable membranes. These membranes allow diffusion of both solvent and solute molecules or ions through them e.g. cell wall. 

2. Impermeable membranes. These membranes prevent any substance to pass through it. 

3. Semipermeable membranes. These types of membranes allow diffusion of  certain substances through it while prevent the others to pass through it. e.g. cell membrane. 

 

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127. Describe functions of cell membrane.
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 Multiple Choice QuestionsShort Answer Type

128. Describe cell wall.
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 Multiple Choice QuestionsLong Answer Type

129.  Give the functions of cell wall.
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 Multiple Choice QuestionsShort Answer Type

130. Briefly explain the composition of cell wall. 
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