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Water moves both ways across a membrane (into and out of a cell). The net (total) change depends on how much water is moving each way (which depends on a lot of factors like salinity, concentration, charges, temperature, etc).

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11y ago
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13y ago

Is called leaking, unless the membrane in semipermeable and the there is are two different concentrations of solute on either side, in which case it is called 'osmosis'.

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14y ago

From high concentration to low concentration. This is called osmosis.

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Q: Which direction does water move across the membranes?
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