In one cycle, the sodium-potassium pump moves which ions across the membrane?
Answer and explanation
Correct answer: D. Three sodium ions out and two potassium ions in
- Step 1: The pump uses ATP. Step 2. It moves three sodium ions out and two potassium ions in, which keeps the inside of the cell negative. Answer: three out, two in. Why not the others: these ratios or directions are incorrect.
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