Chapter 7 AP Biology
Copyright ? 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings PowerPoint? Lecture Presentations for Biology Eighth Edition Neil Campbell and Jane Reece Lectures by Chris Romero, updated by Erin Barley with contributions from Joan Sharp Chapter 7 Membrane Structure and Function Overview: Life at the Edge ? The plasma membrane is the boundary that separates the living cell from its surroundings ? The plasma membrane exhibits selective permeability, allowing some substances to cross it more easily than others Copyright ? 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Fig. 7-1 Concept 7.1: Cellular membranes are fluid mosaics of lipids and proteins ? Phospholipids are the most abundant lipid in the plasma membrane