Bi150 PS1_2011

Bi150 PS1_2011 - Bi150 Problem Set 1 Due: Tuesday, October...

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Bi150 Problem Set 1 Due: Tuesday, October 11 th 2011 at 4:30 P.M. At the “Bi 150 Box” Kerckhoff 3 rd floor in front of Room 326’s door, atop the fridge (The building may be locked after 5 P.M.) INSTRUCTIONS Please: 1) Turn in your work with this cover page. 2) Use separate sheets of paper for the answer to each question, so that grading can proceed in parallel 3) Write or type your answers neatly . 4) Put your name on each page of your answers. Name: ______________________________________________________ Section #: ___________________________________________________ Mail Code: ___________________________________________________ TA Name: ___________________________________________________ Date and Time turned in: _______________________________________ Number of pages including this one:_______________________________ There are 2 questions. Grade and Comments: 1__________________ 2__________________ Total: ______________
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Problem 1. Membrane Potentials (1.5 points) You have learned about ionic components of resting and action potentials in the NaCl- rich oceans of Earth. Recently, images from the Cassini spacecraft provided intriguing evidence that there might be a water ocean underneath the surface ice of Saturn’s moon, Enceladus. Suppose that there is indeed life on Enceladus in the form of a marine squid, Loligo parker . Let’s postulate that Enceladus’s oceans have KCl as the primary salt (as well as a small amount of NaCl).
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This note was uploaded on 01/03/2012 for the course BI 150 taught by Professor Kennedy,m during the Fall '08 term at Caltech.

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Bi150 PS1_2011 - Bi150 Problem Set 1 Due: Tuesday, October...

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