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October 22, 2014

Homework Help: please help-plasma membrane

Posted by Nadia on Thursday, February 8, 2007 at 12:09am.

I got this question marked wrong on a paper. Unfortunately, my prof didn't explain.



_________________ subtances can pass through the plasma membrane.




I put "nonpolar". What is wrong with this and does anyone know the correct solution/answer? Thanks all.



http://www.recreation.ucsb.edu/ess/ess40/downloads/chap3.pdf

http://scientia.org/cadonline/biology/eukaryotic/plasmembrane.ASP


Nonpolar is wrong. Polar water molecules pass thru easily.

There are three ways substances can pass true. I have no clue to the answer if one word is desired. "Transported" will work, however it is an incompleted answer. Visit the prof.

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