Aug 11, 2003. JGR is and always has been one of the most original games ever made. The graffitti system is really entertaining, especially when you can JGR is and always has been one of the most original games ever made. The graffitti system is really entertaining, especially when you can make your own designs.
A selectively permeable membrane is a membrane that allows some substances to pass through easily, while other substances pass through very slowly or not at all. All cell membranes, including the plasma membrane, are selectively permeable. selectively permeable membrane is a membrane that allows some substances to pass through easily, while other substances pass through very slowly or not at all. All cell membranes, including the plasma membrane, are selectively permeable.
Report Abuse. The cell membrane is NOT freely permeable to water, there are special pores called aquaporins that allow water to move across a cell membrane. The cell membrane does allow the passage of small hydrophobic molecules across the membrane.ating Newest Oldest. Best Answer: The cell membrane functions as a barrier that makes it possible for the cytoplasm to maintain a different composition from the material surrounding the cell. The unit membrane is freely permeable to water molecules but very impermeable to ions and charged molecules.