To function properly the cell must maintain a stable internal environment. Cell membranes are semipermeable, allowing only selective molecules to pass through. This helps cells to maintain chemical equilibrium within and out side the cell. This video explains the process by which cells achieve equilibrium. Edited by Ashraf
Channels: Cell Biology
Tags: Chemical equilibrium Cell Semipermeable membrane
Uploaded by: watchme ( Send Message ) on 15-10-2007.
Duration: 1m 28s