Chapter 5 - Introduction

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To fully appreciate this tutorial, you should be familiar with the concepts of:
• Concentration gradient
• State of equilibrium
• Solute
• Solvent
• Osmotic pressure
• ATP

After this tutorial, you will be able to describe:

• Simple diffusion
• Osmosis
• Carrier-mediated transport

• Facilitated diffusion
• Active transport

How are various membrane transport processes distinguished from one another?

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Transport is essential for life
Passive transport: diffusion and osmosis
Passive transport: facilitated diffusion
Active transport
Summary

What is the difference between the following types of transport:

Diffisusion
Osmosis
Facilitated diffusion
Active transport

Distinguishing among these types of transport is essential to understanding cell function.