Chapter 4 Cells & Their Environment. DO NOW 1) Grab a Chapter 4 packet 2) Try to answer questions 1 & 2 on page one 3) Wait quietly to begin.
Chapter 4 Section 1: Passive Transport. Objectives Relate concentration gradients, diffusion, and equilibrium. Predict the direction of water movement.
Origins of Membrane Potential in Cells
Changes in electrical gradients
