Chapter%207%20Outline

Chapter%207%20Outline - TheFluidMosaicModel...

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Membrane Structure and Function The Fluid Mosaic Model The plasma membrane  boundary  selective permeability Cellular membranes are fluid mosaics of lipids and proteins Fig 7.7 1972, Singer and Nicolson Fig 7.3 Freeze-fracture studies of the plasma membrane Fig 7.4 Review of Phospholipid Structure Phospholipids most abundant lipid amphipathic Fig. 5.13 A phospholipid bilayer Fig 7.2 The Fluidity of Membranes Fig 7.5 The Fluidity of Membranes - Protein movement  Proteins in the plasma membrane can drift within the bilayer Fig. 7.6 Molecular components of the Membrane Fig 7.7 The steroid cholesterol -has different effects on membrane fluidity at different temperatures Fig 7.5 Integral proteins
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 Perepherial proteins Extra Cellular Matrix (ECM) Extracellular components help coordinate cellular activities Connections between cells  help coordinate cellular activities
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Chapter%207%20Outline - TheFluidMosaicModel...

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