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Differential Or Selective Permeability

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Answers to Common Questions
the differences is that semi- permeable only lets in and out molecules small enough to fit threw period selectively permeable has channel proteins that allow bigger molecules to fit threw.
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Honestly it is the same thing. Science loves to use more than one term for the same item. Membranes are semi-permeable to substances because of the selective nature of the membrane. Proteins either connect the exterior of the cell with the ...
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Selectively permeable membranes allow the passage of specific substances, while permeable membranes allow everything. MORE?
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Answers to Other Common Questions
They are approximately the same. A semipermeable membrane doesn't allow certain solutes to pass through it. In practice, usually this has to with the size of the solute. So for example if you have a dialysis bag, it will have a semi-permeab...
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Selectively permeable- the membrane only allows some things into the cell, others things it is able to keep out Permeable- the membrane allows everything to get in, nothing is kept out Impermeable- Nothing can get into the cell
http://ca.answers.yahoo.com/question/index?qid=20091215...
The invention concerns a semi-permeable membrane film, selectively permeable to water vapour from a solvent in the presence MORE?
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