Diffusion, Osmosis, and Movement Across a Membrane


Factors Affecting Diffusion Across a Plasma Membrane

Osmosis, the Passive Transport of Water

How Will Water Move Across Semi-Permeable Membrane?

Solution Types Relative to Cell

Osmosis Produces a Physical Force

Facilitated Diffusion

How to Cheat - Glucose Enters the Cell by Facilitated Diffusion

Regulation of Glucose Uptake by Insulin


Active Transport

The K+ / Na+ Pump: An Example of Active Transport

The The K+ / Na+ Pump

Other Active and Transport Mechanisms - The H+ / Sucrose Pump