Sodium-Potassium Pump and ATP Availability
A researcher treats nerve cells with a chemical that inhibits ATP synthesis. Although a decrease in the activity of the sodium-potassium pump is expected, no immediate change is observed. Which of the following best explains this observation?
A
Observing the pump’s activity in nerve cells, which might have unique properties affecting the experiment’s outcome.
B
Applying a chemical that inhibits ATP production, which might not affect already existing ATP molecules.
C
Expecting a decrease in pump activity without considering other cellular mechanisms that might compensate.
D
Assuming that the sodium-potassium pump’s activity solely depends on ATP produced by the cells themselves.
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