Why is the transport of glucose from the lumen of the small intestine to the bloodstream considered to be secondary active transport? a. It moves glucose through the intestinal epithelial cell and thus requires metabolic energy b. it requires the cotransport of glucose and potassium ions c. it relies on the establishment of pre-existing sodium gradients d. It requires no ATP energy at all. e. It generates a "futile cycle" of potassium import into and export from the gut epithelial cell.
Why is the transport of glucose from the lumen of the small intestine to the bloodstream considered to be secondary active transport? a. It moves glucose through the intestinal epithelial cell and thus requires metabolic energy b. it requires the cotransport of glucose and potassium ions c. it relies on the establishment of pre-existing sodium gradients d. It requires no ATP energy at all. e. It generates a "futile cycle" of potassium import into and export from the gut epithelial cell.
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter38: Introduction To Animal Organization And Physiology
Section: Chapter Questions
Problem 9TYK
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11. Why is the transport of glucose from the lumen of the small intestine to the bloodstream considered to be secondary active transport?
a. It moves glucose through the intestinal epithelial cell and thus requires
b. it requires the cotransport of glucose and potassium ions
c. it relies on the establishment of pre-existing sodium gradients
d. It requires no ATP energy at all.
e. It generates a "futile cycle" of potassium import into and export from the gut epithelial cell.
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