HW_10_2010 - membrane nuclear membrane etc If the complete...

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BME 311 Network Theory Homework #10 Due: April 14 th , 2010 Page 1 of 4 (c) John X.J. Zhang, UT Austin 1. Reading Assignment (to be tested in Quiz) Fundamentals of Electric Circuits (3 rd Ed), Alexander and Sadiku Chapter 6, 7 2. Basic Problems (50 points) Solve the following problems from the textbook 7.24 7.27 7.31 7.39 7.53 7.74 3. Circuits in Biology A pathway is a series of chemical compounds activated in a particular order. For example, when an external hormone or activator binds to a receptor on the cell membrane, the binding action of the activator in turn activates a much larger number of compounds (secondary messengers) that carry the signal forward. Assume a hypothetical pathway in which such a binding activates twice the number of secondary messengers (in reality, it is an exponential increase). In this particular pathway, all the binding activities take place in membranes (plasma membrane, vesicle wall, mitochondrial
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Unformatted text preview: membrane, nuclear membrane etc). If the complete pathway involves four such activations (four different membrane reactions are involved) and given that the resistance of the plasma membrane is 9µΩ, find the resistance of the Nuclear membrane (the last membrane where signal transduction takes place). For this particular problem, assume that the secondary messengers and the external hormones are the same in composition. Hint: Start with finding an equivalent electrical component that can represent the nature of chemical reaction taking place at the membrane. BME 311 Network Theory Homework #10 Due: April 14 th , 2010 Page 2 of 4 (c) John X.J. Zhang, UT Austin BME 311 Network Theory Homework #10 Due: April 14 th , 2010 Page 3 of 4 (c) John X.J. Zhang, UT Austin BME 311 Network Theory Homework #10 Due: April 14 th , 2010 Page 4 of 4 (c) John X.J. Zhang, UT Austin...
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This note was uploaded on 05/19/2011 for the course BME 311 taught by Professor Zhang during the Spring '08 term at University of Texas.

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HW_10_2010 - membrane nuclear membrane etc If the complete...

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