Experiment 2: Concentration Gradients and Membrane Permeability
In this experiment, you will dialyze a solution of glucose and starch to observe:
- The directional movement of glucose and starch.
- The effect of a selectively permeable membrane on the diffusion of these molecules.
An indicator is a substance that changes color when in the presence of a specific substance. In this experiment, IKI will be used as an indicator to test for the presence of starch.
(5) 100 mL Beakers
*15.0 cm Dialysis Tubing
*You Must Provide
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