unless the molecules arent tight together and there IS'NT movement that are highly selective to the barrier.
-G
The cell membrane is a highly selective barrier that controls the movement of substances in and out of the cell. In fact, polar molecules are unable to go across unless
3 answers
The cell membrane is a highly selective barrier that controls the movement of substances in and out of the cell. In fact, polar molecules are unable to go across unless
they react with other substances to become nonpolar.