BILD 2 Week 2 Section Practice KEY

BILD 2 Week 2 Section Practice KEY - TA Lauren Herzog Email...

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TA: Lauren Herzog Email : [email protected] Office Hours: Mondays, 11-11:50am, Geisel HSS Library (tables to the left of the computer area) or by appointment After this week, you will be emailed multiple practice problems before section. Please print them out beforehand. I strongly encourage you to work through these problems before section. Practice Problem Cystic Fibrosis is a serious disease caused by the mutation of a gene needed for proper transmembrane transport. A researcher is interested in studying ion transport in cells of patients with this disease. The researcher isolates the cells and then measures the intracellular and extracellular concentrations of various common ions within the cell and the extracellular fluid. The following chart shows the results of the initial measurements: Ion Intracellular Conc (mM) Extracellular Conc (mM) Na 36 250 K 165 50 Ca² 8 200 Clˉ .01 8 a) Multiple synthesized chloride leak channels are inserted into the cell, significantly
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BILD 2 Week 2 Section Practice KEY - TA Lauren Herzog Email...

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