Lecture notes 6

Hydrophobic substances such as cholesterol further

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Unformatted text preview: o double bonds resist packing –  Examples plant fats (olive oil) –  Can be cis or trans fats, cis fats can be more easily metabolized by faKy acid machinery in cell Membranes: fluid mosaic model • Fluid mosaic model – • two dimensional lipid bilayer with random [email protected] within layers, minimal diffusion between layers hKp://www.youtube.com/watch?v=Qqsf_UJcfBc (Singer and Nicholson 1972) • Embedded proteins can be integral or transmembrane, and many of them are glycosylated (that is they have complex carbohydrate groups added to the protein side chains). • Hydrophobic substances such as cholesterol further add rigidity to the membrane Membrane [email protected] A. [email protected] and [email protected] B. Planar extension C. Shear [email protected] D. [email protected] of membrane proteins by spectrin network E. Mending of membrane by asymmetric lipids or proteins F. Extrusion of mem...
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This document was uploaded on 03/01/2014 for the course CHEM 330 at Amherst College.

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