ch369_sp11_membrane2_notes

ch369_sp11_membrane2_notes - Mondaywillbeareviewday. I can...

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Monday will be a review day. I can cover specific study questions or practice test questions if you like. You may email me with suggestions of topics or questions to cover !
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Charge of ion. Voltage diff. between the two regions. Farraday constant 96,500 J/Volt mole Energetics of transport. Energy to transport a molecule across a membrane: Temp ( o K) ratio of conc. in 2 regions. 8.315 J/mole o K
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[K + ] = 40 mM [K + ] = 4 mM How much energy to transport K + ions from inside to outside the membrane at a temperature of 300 K? A) positive B) negative Is this term positive or negative?
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[K + ] = 40 mM A) positive B) negative Is this term positive or negative? How much energy to transport K + ions from inside to outside the membrane at a temperature of 300 K? [K + ] = 4 mM
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=       - 5730 J/mol + 4830 J/mol =       - 900 J/mol (spontaneous flow of K+ through pore) negative    positive   
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Units !!! On the test, if the answer is -900 kJ/mol, and you write “-900” for your answer, will it be marked wrong?
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How much energy to transport K + ions in the other direction at a temperature of 300 K?
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ch369_sp11_membrane2_notes - Mondaywillbeareviewday. I can...

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