Berg6_13 - BERG/STRYER VI STUDY GUIDE CHAPTER 13 1....

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BERG/STRYER VI STUDY GUIDE CHAPTER 13 1. Homework 2, 5-8. Pumps mediate active transport, and channels are involved with passive transport. Understand class discussion of differences between diffusion , facilitated diffusion , primary active transport and secondary active transport ( symport or antiport p. 360). You should understand the math on 353. Osmotic free energy is a special case of the free energy equation. We can assume that the K eq will always be 1.0 for osmosis. Therefore the standard free energy change must be zero, and Δ G= 0 + RTln(P/R). "Product" and "Reactant" are the "from" and "to" concentrations c 2 and c 1 . When ions are involved, there has to be a voltage term added in for the "electrochemical potential" and the equation is Δ G = RTln(c 2 /c 1 ) + Z F Δ V. The Calcium pump is a "P-type" ATPase, shown in Fig 13.5. Here Calcium ions are actively transported out of the cytoplasm with direct participation of ATP hydrolysis. Aspartate is phosphorylated (354). There are
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This note was uploaded on 05/09/2008 for the course MOLBIO 315 taught by Professor Deis during the Spring '08 term at Rutgers.

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Berg6_13 - BERG/STRYER VI STUDY GUIDE CHAPTER 13 1....

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