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Campbell Biology Chapter 7 Outline

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Subject: 
Biology
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Tags: 
Biology
Membrane biology
Cell membrane
Lipid bilayer
Membrane transport
Membrane protein
Semipermeable membrane
Biological membrane
Facilitated diffusion
Carrier protein
Passive transport
Osmosis
health

Mica Piro Chapter 7: Membrane Structure & Function Selective permeability: the plasma membrane allows some substances to cross it more easily than others Cellular Membranes are Fluid Mosaics of Lipids and Proteins (7.1) The ability of phospholipids to form membranes is inherent in their molecular structure?a phospholipid is an amphipathic molecule (has both a hydrophilic region and a hydrophobic region) A phospholipid bilayer can exist as a stable boundary between 2 aqueous compartments because the molecular arrangement shelters the hydrophobic tails of the phospholipids from water while exposing the hydrophilic heads to the water Most membrane proteins are amphipathic

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