Multiple Choice
What is the stoichiometry of the NCX transport system?
A) Two potassium ions outward for every three sodium ions entering the cell (3 Na+:2K+)
B) Two calcium ions outward for every two protons entering the cell (2 H+:2 Ca2+)
C) One calcium ion outward for every three sodium ions entering the cell (3 Na+:1 Ca2+)
D) One ion X outward for every one sodium and one calcium ions entering the cell (1Na+:1 Ca2+:1 X)
E) Na+ and Ca2+ are not transported in a fixed ratio through the NCX transport system
Correct Answer:
Verified
Correct Answer:
Verified
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