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03Membranes11Sp - Biology 6B 03 Membranes Brian McCauley...

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1 Membrane functions Membrane structure How things cross membranes Membranes Membranes Chapter 7 Membrane Functions Physical Structure Homeostatic Barrier Transport Signal Transduction Membrane Structure Phospholipid bilayer Membranes are held together by hydrogen bonding & hydrophobic interactions. Membrane Structure Phospholipid bilayer Phospholipid structure Biology 6B 03 Membranes Brian McCauley Spring 2011
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2 Water helps hold membranes together Phospholipid bilayer Phospholipid bilayer: the fluid mosaic Phospholipid bilayer: the fluid mosaic Phospholipid bilayer: the fluid mosaic Animal plasma membrane Membrane protein functions Biology 6B 03 Membranes Brian McCauley Spring 2011
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3 Transmembrane proteins Transmembrane proteins Potassium channel: a transmembrane protein Transmembrane proteins Carbohydrates give membranes “sidedness”. Membrane synthesis & carbohydrates Membrane functions Membrane structure How things cross membranes Membranes Membranes
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