Lecture Outline for January 31, 2005


Topic: Cell Membrane Structure

Chapter 4 section 4.1

Figures used in lecture: 4.2, 4.3

Additional Resources

††††††††††† Phospholipids

††††††††††† Plasma Membrane


Key Words

lipids, insoluble, triglycerides, phospholipids, glycerol, fatty acid, hydrophobic, hydrophilic, amphipathic, selective permeability, integral proteins, channel proteins, carrier proteins, peripheral proteins, receptor proteins, recognition proteins, glycolipids, glycoproteins,


Be able to use your knowledge of cell membrane structure and function to answer this question.

1. Following a transplant operation, the recipientís body often rejects the new tissue/organ. Why? How?


Lipid Structure

Be able to describe the structure and functions of both triglycerides and phospholipids.


Membrane Structure

Be able to describe the structure and function of each of the following membrane components.

††††† A.phospholipid bilayer

      B.  proteins

          1. integral proteins

               a. channel proteins

               b. carrier proteins

          2. peripheral proteins

               a. receptor proteins

               b. recognition proteins

      C.  carbohydrates

           1. glycoproteins

           2. glycolipids