Lesson 5.1 Cell Membranes

Watch all 5 parts of the presentation.

As you watch this video, pay special attention to the following concepts:

1. What is the fluid mosaic model?
2. How are molecules transported from one area to another?
3. What are phospholipids?
4. Define hydrophobic and hydrophilic
5. Look at the structure and job of membrane proteins
6. What is passive transport? How does it contrast to simple diffusion?
7. What is a concentration gradient?
8. What do membrane receptors do?

Last modified: Wednesday, July 7, 2010, 3:17 PM