Your Safer Source for Science
All-In-One Science Solution
Your Safer Source for Science
;
Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax
Email [email protected]
firewatch

How do membranes around cells regulate the internal composition of the cell? Can any molecule pass through the membrane or only certain molecules. What determines the direction of molecular movement? Use dialysis tubing to teach students the fundamental concepts of diffusion.

Concepts

  • Diffusion
  • Materials Science
  • Physiology