Learning Objectives

• Understand the basic structure of membranes
• Understand the role of cholesterol in membrane proteins
• Predict what effect changing fatty acid components will have on membrane properties
• Discriminate between passive and active transport mechanisms
• Determine whether a transport protein is a carrier or a channel protein
• Understand the differences between peripheral and integral proteins
• Understand the role of primary and secondary transporter

Cell Membrane

• what are the components of the cell membrane?
• what are the 2 types of membrane proteins?
• what is cell membrane fluidity dependent on?

Membrane Transport

• what can cross cell membranes?
• what cannot cross cell membranes?

Passive Transport

• what is passive transport?
• what is simple diffusion?
• what types of particles undergo simple diffusion?