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What are the characteristics of a semipermeable membrane ?


A semi-permeable membrane is one which allows only a few substances to pass through it while preventing the others. The cell membrane found in the cell is a semi-permeable membrane which allows only certain substances to pass throught it.  
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What is plasma membrane?

 “The function of an organism is the sum result of the sum total of activities and interactions of constituent cells”. Comment.

What is cell theory ? 

Define cell and name the one who discovered it.

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