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Dictionary » P » Partially-permeable membrane

Partially-permeable membrane

Definition

noun

A membrane that is selectively permeable, i.e. being permeable to only certain molecules and not to all molecules.


Supplement

An example of such membrane is the cell membrane wherein it allows passage of only certain types of molecules by diffusion and occasionally by facilitated diffusion.


Synonyms:

See also: cell membrane


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Cells and pH

... Do you mean the pH inside or outside the cells? Although the answer is partially the same in both: cellular metabolism affects the cytoplasmic pH, ... extreme pH values. Finally in very high or low pH the integrity of cell membrane will be lost, although some specialist cell types can survive in ...

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by biohazard
Sun Sep 30, 2007 1:03 pm
 
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Effects of temperature on plant cells(beetroot)

... the water aroound them and start to diffuse out of the cell through the partially permiable membrane, But won't the Membrane get damaged by high temparatures.

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by Madbio
Thu Nov 10, 2005 5:28 pm
 
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