Here is a simple cell. There is a Na+, K+ ATPase
that is working as a pump. It moves Na+ out of
the cell and K+ into the cell.
Q1: Draw a graph of the changes in Na+ and K+ concentrations
over time, assuming that at time = N, the Na+, K+ ATPase is turned
off (by treating the cell with a specific inhibitor).
Q2: Under what conditions might the Na+, K+ ATPase
run backward so as to generate ATP.
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