Key Words: semi-permeable, membrane, diffusion, osmosis, concentration gradient, homeostasis, isotonic, hypotonic, hypertonic Introduction The dependence of life processes on diffusion mechanisms could not be more prevalent. ... The spontaneous net movement of water across a semipermeable membrane from a region of low solute concentration to a solution with a high solute concentration, down a solute concentration gradient is known as osmosis. Osmosis allows cells to regulate the amount of water within their membrane in order to keep from shrinking or swelling (Glencoe/McGraw-Hill, 2006, p. 83...
- Word Count: 1659
- Approx Pages: 7
- Has Bibliography
- Grade Level: High School