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The sodium-potassium pump moves how many Na+ out for how many K+ in?
A2 Na+ out, 3 K+ in
B3 Na+ out, 3 K+ in
C3 Na+ out, 2 K+ in
D2 Na+ out, 2 K+ in
Answer & Solution
Correct answer: C. 3 Na+ out, 2 K+ in
The pump transports three sodium ions outward for every two potassium ions taken in, using active transport.
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