Entries by admin

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.

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 […]