Biology Lab #4
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What is Brownian Movement
Movement of the molecules is random; they bump into one another and bounce off in a different direction.
Random movement of molecules from areas of high to areas of low concentration.
Is a special case of diffusion. It occurs when there are two solutions of different concentrations on opposite sides of a semi-permeable membrane.
Can cross the membranes freely
Cannot cross the membranes freely
Describes one solution's solute concentration compared to that of another.
The solution on one side of the membrane contains a greater concentration of a solute compared to the other side of the membrane.
Equal amounts of the solute are found on each side of the membrane.
The solution on one side of the membrane contains a lower concentration of a solute compared to the other side
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