Sodium pump stops operating during:
Correct answer: B. Action potential
- A. Repolarization
- B. Action potential
- C. Resting potential
- D. None of the above
Explanation
During an action potential, the sodium-pump (Na+/K+ ATPase) stops operating; because, its activity is overshadowed by the much more rapid movement of ions through voltage-gated sodium and potassium channels.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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