Cell membrane: Diffusion

Question text:

 

Version 1: Describe how the properties of water molecules (H2O) affect (promote or prevent) their diffusion across a pure phospholipid membrane that contains no proteins.

Version 2: Describe how the properties of ammonium molecules (NH4+) affect (promote or prevent) their diffusion across a pure phospholipid membrane that contains no proteins.

Version 3: Describe how the properties of benzene molecules (C6H6) affect (promote or prevent) their diffusion across a pure phospholipid membrane that contains no proteins.

 

 

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This material is based upon work supported by the National Science Foundation (DUE grants: 1438739, 1323162, 1347740, 0736952 and 1022653). Any opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the NSF.