Agustin224 Agustin224

20-11-2014
Biology

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Does a cell use energy when molecules diffuse in or out of the cell down the concentration gradient

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20-11-2014

Depends if it is an active or passive one(transports), If it goes against the concentrarion gradient it uses ATP(energy), on the other way if its not against its called passive transport and does not require ATP.

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