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cell membranes are made of of a lipid bilayer with proteins embeded in it. A lipid bilayer is two layers of phospholipids with the polar head on the surfaces and the nonpolar hydrocarbon tails in the middle

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Do hydrophobic molecules cross cell membranes?

Yes, hydrophobic molecules can cross cell membranes because cell membranes are made up of a phospholipid bilayer that is permeable to nonpolar molecules like hydrophobic ones.


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What fills the space inside the walls of the cork cells?

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