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Physiology Quiz -
The Na+/K+ ATPase - Part 4
The Na+/K+ ATPase (or simply Na+ pump) is a ubiquitous membrane transport protein found in all body cell types. Test your basic knowledge of the Na+/K+ ATPase by taking this simple quiz.
(1)   The α subunit of the Na+/K+ ATPase contains __________ transmembrane domain(s).
(2)   The β subunit of the Na+/K+ ATPase contains __________ transmembrane domain(s).
(3)   The FXYD subunit of the Na+/K+ ATPase contains __________ transmembrane domain(s).
(4)   The Na+/K+ ATPase is localized to the __________ membrane domain in nearly all epithelial cells.
(5)   The Na+/K+ ATPase is localized to the basolateral membrane domain in epithelial cells of the following tissues:
(6)   The Na+/K+ ATPase is localized to the apical membrane domain in epithelial cells of the following tissues:
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Posted: Monday, December 29, 2014