BIOS41_Lecture13_02152008

BIOS41_Lecture13_02152008 - 12_07_conforma_change.jpg A...

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BIOS 41 Biology Core I: Cellular and Molecular Spring 2008 Professor J. A. Sands Lecture 13, February 15 Membrane Transport (Chapter 12, pages 389-402) Carrier Proteins
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12_01_transport_prot.jpg Membrane transport proteins are responsible for transferring small water-soluble molecules across cell membranes.
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12_02_diffusion_rate.jpg Diffusion rates across a lipid bilayer vary by a factor of about a billion.
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12_04_pass_act_transport.jpg Solutes cross cell membranes by passive or active transport.
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Unformatted text preview: 12_07_conforma_change.jpg A conformational change in a carrier protein could mediate the passive transport of a solute like glucose. Cells drive active transport in three main ways. 12_10_Na_K_pump.jpg The Na+-K+ Pump 12_12_Na_K_cyclic.jpg 12_14_symport.jpg The glucose-Na+ symport protein. 12_15_glucose_gut.jpg Glucose transfer across the gut lining. 12_06_Ca_pump.jpg Structure and function of a muscle cell calcium pump protein....
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This note was uploaded on 04/19/2008 for the course BIOS 41 taught by Professor Sands during the Spring '08 term at Lehigh University .

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BIOS41_Lecture13_02152008 - 12_07_conforma_change.jpg A...

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