Aspirin is a weak acid (Figure 1) that is taken up into the bloodstream by diffusion through cells lining the stomach and the small intestine. Aspirin crosses the plasma membrane of a cell most effectively in its uncharged form; in its charged form it cannot cross the hydrophobic lipid bilayer of the membrane. The pH of the stomach is about 1.5 and that of the lumen of the small intestine is about 6.0. is the majority of the aspirin absorbed in the stomach or in the intestine? Explain.
Aspirin is a weak acid (Figure 1) that is taken up into the bloodstream by diffusion through cells lining the stomach and the small intestine. Aspirin crosses the plasma membrane of a cell most effectively in its uncharged form; in its charged form it cannot cross the hydrophobic lipid bilayer of the membrane. The pH of the stomach is about 1.5 and that of the lumen of the small intestine is about 6.0. is the majority of the aspirin absorbed in the stomach or in the intestine? Explain.
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Aspirin is a weak acid (Figure 1) that is taken up into the bloodstream by diffusion through cells
lining the stomach and the small intestine. Aspirin crosses the plasma membrane of a cell most
effectively in its uncharged form; in its charged form it cannot cross the hydrophobic lipid
bilayer of the membrane. The pH of the stomach is about 1.5 and that of the lumen of the
small intestine is about 6.0. is the majority of the aspirin absorbed in the stomach or in the
intestine? Explain.
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