Diffusion Through the Plasma Membrane 128 Rate of Diffusion 129 Osmosis 130
Facilitated Diffusion 135 Active Transport 136
Transport) 137 Transport Across Epithelial Membranes 138 Bulk Transport 138
The Membrane Potential 140
Equilibrium Potentials 141
Cell Signaling 143
Summary 146 Review Activities 147 Related Websites 148
Refresh Your Memory
Before you begin this chapter, you may want to review these concepts from previous chapters:
Carbohydrates and Lipids 31
■ Plasma Membrane and Associated Structures 50
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WHAT IT IS A three-phase plan that has been likened to the low-carbohydrate Atkins program because during the first two weeks, South Beach eliminates most carbs, including bread, pasta, potatoes, fruit and most dairy products. In PHASE 2, healthy carbs, including most fruits, whole grains and dairy products are gradually reintroduced, but processed carbs such as bagels, cookies, cornflakes, regular pasta and rice cakes remain on the list of foods to avoid or eat rarely.