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There is a tendency for hydrophobic and hydrophilic areas of molecules to align. In this way a membrane can be made. On the other hand, prions, the protein fibrils behind Mad Cow disease, similarly align.
[Molecular recognition occurs at a distance, as there is an SUM electrostatic field around each molecule.] SHOULD WE TEACH THIS?
3. (advanced) Model how many charged patches one can make keeping charges evenly spaced and how many by "breaking the rule"
Although you might predict that the like charges would be placed at a distance from each other, you will notice that in the molecule below the negative and positive charges are quite separate. It turns out that the overall charge balance can be made up by the rest of the molecule. Being able to clump various amounts of similar charges together allows for the creation of of more varied as well as more specific patterns of charge.
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<p class="pagetitle"><strong>Molecular Recognition:</strong> the Membrane</p>
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<td><p class="mainidea">The Cellular Membrane (and other lipid structures) </p></td>
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