Small Stuff Moves Through
a: Semi permeable membrane ~
b: chain linked fence
What: Semi permeable membrane is like chain linked fence. You want big molecules or big stuff to stopped cause while small stuff moves through. A fence acts like this, the bees can move through the fence while dogs, even very small dogs are trapped on one side.
Useful?
Writer: Lucretia
LCC:
Where: Reference Link Has Evaporated
Date: May 13 2013 12:07 PM
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