http://lenti.med.umn.edu/~mwd/cell_www/chapter2/membrane.html#SEMIPERM
Additional details about the chemicals that make up the cell membrane and a discussion of osmosis and diffusion.

Copyright ©1998 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.
For further information about this site contact mhhe_webmaster@mcgraw-hill.com.