Answer :
Final answer:
The Na+/K+ pump has specific characteristics including ATP hydrolysis, being an active transporter, specific ion transport ratios, and maintaining ion concentrations.
Explanation:
The sodium-potassium ATPase (Na+/K+ pump) associated with electrically excitable cells has various characteristics:
- Hydrolyzes ATP to transport ions against their concentration gradients.
- Acts as an active transporter, a cotransporter, and an antiporter.
- Transports three sodium ions out of the cell and two potassium ions into the cell per cycle, against their concentration gradients.
- Plays a crucial role in establishing and maintaining resting membrane Na+ and K+ ion concentrations.
Therefore, the characteristic that is NOT associated with the sodium-potassium ATPase is that it typically transports one Na+ ion out of the cell for every one K+ ion it transports inside the cell.
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