Biology / Bio 0339 · Atom · ~20 seconds
Factors Affecting Diffusion Rate
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Diffusion rate rises with a steeper gradient, higher temperature, smaller mass, and a thinner, more permeable membrane, falling as any reverse.
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A dehydrated cell's denser cytoplasm slows diffusion of nutrients and wastes, a mechanism behind dehydration's cellular effects.
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Solvent density is one factor among several — a denser medium slows diffusion without changing the gradient.