Diffusion Across a Selectively Permeable Membrane | Eastern Kentucky University - Edubirdie

University:
Eastern Kentucky University
Course:
BIO 100 | Introductory Biology
Academic year:

2022
Views:

79

Pages:

1
Author:

Macy Harrison

2/20/22, 10:36 PM Laboratory Simulation Student: My Prediction: Iodine, glucose, and starch will be able to diffuse across the dialysis tubing membrane because they are the same molecular size. My Strategy: I will place iodine on one side of the dialysis tubing and glucose and starch on the other. I will then test to determine if diffusion has occurred. My Conclusion: Diffusion occurred based on molecular size. Iodine and glucose are much smaller molecules than starch; therefore, they were able to diffuse. Collected Lab Data Before Diffusion After Diffusion Glucose in tubing Yes Yes Glucose in beaker No Yes Starch in tubing Yes Yes Starch in beaker No No Iodine in tubing No Yes Iodine in beaker Yes Yes Beaker image 1/1

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