The Movement of a Number of Molecules Across the Apical

question 73

Multiple Choice

The movement of a number of molecules across the apical surface of the epithelial cell by secondary transporters is coupled to the _ gradient that is maintained by the _ on the basolateral surface of the epithelial cell.

• A)K+ : K+ channel
• B)Ca2+ : Na+/ K+ pump
• C)K+ : K+ pump
• D)Na+ : Na+ channel
• E)Na+ : Na+/ K+ pump

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