Learn about gradients of molecules that exist across cell membranes, how they can help or hinder transport, and how active transport mechanisms allow molecules to move against their gradients.

Concepts

cell membranes, active transport

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Additional Tags

gradients, electrochemical gradients, khan academy: active transport

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)