Cell membrane and Cell size
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4 Terms
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Selective permeability
The direct result of the cell membrane structure allowing some molecules through.
2
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What molecules are able to pass through the membrane easily?
Small hydrophobic molecules
3
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What molecules must be assisted by proteins to move through the membrane?
Hydrophilic substances such as large polar molecules and ions cannot move freely
4
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If the surface area of a cell increases then…
More molecules can enter the cell when it’s surface area increases
Note 
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