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2. The gastric juice in your stomach lumen has a pH of 2. The acidity of this "juice" is due to the secretion of H" into the lumen by epithelial cells of the gastric mucosa. Epithelial cells have an intern pH of 7 and a membrane potential of -60 mV (inside is negative) at 37°C. A) Calculate the free energy change associated with the secretion of 1 mole of H* into gastric juice at 37°C.

2. The gastric juice in your stomach lumen has a pH of 2. The acidity of this "juice" is due to the secretion of H" into the lumen by epithelial cells of the gastric mucosa. Epithelial cells have an intern pH of 7 and a membrane potential of -60 mV (inside is negative) at 37°C. A) Calculate the free energy change associated with the secretion of 1 mole of H* into gastric juice at 37°C.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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2. The gastric juice in your stomach lumen has a pH of 2. The acidity of this "juice" is due to the secretion of H* into the lumen by epithelial cells of the gastric mucosa. Epithelial cells have an internal pH of 7 and a membrane potential of -60 mV (inside is negative) at 37°C. A) Calculate the free energy change associated with the secretion of 1 mole of H¨ into gastric juice at 37°C.
Transcribed Image Text:2. The gastric juice in your stomach lumen has a pH of 2. The acidity of this "juice" is due to the secretion of H* into the lumen by epithelial cells of the gastric mucosa. Epithelial cells have an internal pH of 7 and a membrane potential of -60 mV (inside is negative) at 37°C. A) Calculate the free energy change associated with the secretion of 1 mole of H¨ into gastric juice at 37°C.
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