Sodium potassium pump
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5 Terms
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What does it do?
moves Na and K against concentration gradient 3 Na move out, 2 K move in
2
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Why?
Maintains equilibrium (prevents cell explosion and deflation)
3
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Membrane potential
70 millivolts
4
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Energy requirements
20% of brain energy
3/4 for pump
3/4 for pump
5
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Pump works fast when…
body is doing things
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Flashcards (258)