Biology 30 Diploma Practice Questions - Alberta Biology 30 Diploma Examination Exam

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The sodium-potassium pump in a neuron uses ATP to actively transport ions against their concentration gradients. For each cycle, how many ions are moved?

3 Na+ out and 2 K+ in 2 Na+ out and 3 K+ in 3 K+ out and 2 Na+ in 2 Na+ in and 3 K+ out

Correct Answer:

3 Na+ out and 2 K+ in

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