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Membrane Dynamics

By Drs. Jennifer Doherty and Ingrid Waldron, Department of Biology, University of Pennsylvania, 2015 CC-BY-NC 4.0

Students investigate the effects of molecule size on diffusion across a synthetic selectively permeable membrane. This investigation includes a brief introduction to osmosis. Additional questions introduce students to the roles of proteins in transporting polar substances across the cell membrane and guide students in analyzing the relative advantages of two different types of model of the cell membrane.

 

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