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Dictionary » P » Permeability

Permeability

Definition

noun

(1) The property or state of being permeable (as by osmosis or diffusion).

(2) The property of a porous material to permit a liquid or gas to pass through.

(3) (geology) The ability of a rock, soil or sediment to transmit water.

(4) (physics) Magnetic permeability.


Supplement

Word origin: LL permeābilis, equiv. to permeā(re) to permeate.
Related forms: permeable (adjective).

Related terms:


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influence of temperature on biomolecules

... and behavior. *Please* give me references to studies addressing the relationship between temperature and any of the following: 1) membrane permeability and information flow (lipid assembly, channels, pumps, receptors) 2) diffusion rate (interaction with molecule size and shape) 3) protein-protein ...

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by biobynight
Thu Aug 20, 2009 8:37 pm
 
Forum: Molecular Biology
Topic: influence of temperature on biomolecules
Replies: 0
Views: 62

Cellular processes affected by temperature..

... temperature. *Please* give me references to studies addressing the relationship between temperature and any of the following: 1) membrane permeability and information flow (lipid assembly, channels, pumps, receptors) 2) diffusion (interaction with molecule size and shape) 3) protein-protein ...

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by biobynight
Thu Aug 20, 2009 8:34 pm
 
Forum: Cell Biology
Topic: LIfe processes affected by temperature..
Replies: 3
Views: 589

Re: membrane permeability

hi , if both ions will move with the same conc and same time then the required conc may not balanced and also as you say both requires different conditions that is ADP and ATP thus they may not pass at the same time.

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by ankitakhemka
Wed Jul 22, 2009 12:11 pm
 
Forum: Molecular Biology
Topic: membrane permeability
Replies: 2
Views: 208

membrane permeability

Hello Biologists, Q: Assume that the plasma membrane of a cell was suddenly permeable to the same degree to both Na+ and K+ and that teach responded to a concentration gradient of the same magnitude. Would you expect those two ions to move across the membrane at the same rates? Why or why not? I alw...

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by NewtoBiology
Wed Jul 15, 2009 11:40 pm
 
Forum: Molecular Biology
Topic: membrane permeability
Replies: 2
Views: 208

*PLEASE URGENT HELP - FLUID MOSAIC MODEL*

Of course they won't answer you. Talk about receptors, selective permeability and bacteria and viruses. I'm sure you can find diseases etc that relate to it.

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by mith
Fri Mar 13, 2009 4:48 am
 
Forum: Cell Biology
Topic: *PLEASE URGENT HELP - FLUID MOSAIC MODEL*
Replies: 2
Views: 777
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