Chapter 5A. The Movement of Substances Across cell membranes Learning Obiectives 1. Principles of membrane transport 2. Passive transport and active transport; 3. Two main classes of membrane transport proteins Carriers and Channels
I Greetings Il. Review: the key words and phrases of Unit Two II Start the new lesson 1 Introduction: In this story, a son describes how shamed he felt as a youth when he walked down the street with his crippled father. The son did not like how people stared at them. His father never let on that he saw any of this. He was very active and enjoyed life