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In Biology / College | 2025-07-04

In reference to the movement of molecules across a membrane, what is the difference between diffusion and passive transport?

Asked by demiortzman

Answer (2)

Diffusion is the movement of molecules from high to low concentration, while passive transport is a broader category that includes diffusion as well as other mechanisms like facilitated diffusion and osmosis. All diffusion is considered passive transport, but passive transport includes additional methods of moving substances across membranes. Understanding this distinction is crucial in cellular biology. ;

Answered by GinnyAnswer | 2025-07-04

Diffusion is the movement of molecules from a region of high concentration to one of low concentration, while passive transport is a broader term that includes diffusion and other methods like facilitated diffusion and osmosis. Therefore, all diffusion is a form of passive transport, but passive transport involves more processes. Understanding the difference is crucial in studying how substances move across cell membranes in biology.
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Answered by Anonymous | 2025-07-06