What: This is a site for teaching simple concepts to younger children. This was one of the more "accurate" analogies that was floating around the web. In encompasses the dual nature of biological membranes found in most cells. They have a fence like quality for controlling water flow and thus giving structure to a cell. But they also have a gate like structure for allow certain molecules to pass in and out in a very controlled way.

Writer: Not Stated

LCC:

Where: Reference Link Has Evaporated

Date: Mar 20 2011 2:47 AM