Using Dialysis Tubing to Demonstrate Membrane Function

Using Dialysis Tubing to Demonstrate Membrane Function -...

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Using Dialysis Tubing to Demonstrate Membrane Function Nicholas Buttler
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Introduction The purpose of this experiment was to determine if and how salt water and olive oil diffuse through a membrane. The hypothesis was that the salt water would diffuse, but the olive oil would not. This was because water and salt have been proven to diffuse through membranes, but olive oil is a lipid, and membranes are made of mostly lipids. Therefore, a lipid should not be able to diffuse through it, but salt water should. Materials and Methods The materials used were two dialysis tubes, two beakers, olive oil, and salt water. Each beaker was filled with each liquid, as was each dialysis tube. The mass and color of the liquids in the tubing were observed. Then the dialysis tube containing the oil was inserted into the beaker containing the salt water. At the same time, the tube containing the salt water was inserted into the beaker containing the oil. Five minutes later, the mass and color of the liquids were observed again. Results
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Using Dialysis Tubing to Demonstrate Membrane Function -...

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