True. The Na⁺/K⁺ ATPase is a countertransport antiport carrier that moves sodium (Na⁺) out of the cell while bringing potassium (K⁺) into the cell. This process is active transport, meaning it requires energy, specifically from ATP hydrolysis, to function against the concentration gradients of these ions.
True or false: Na+ - K+ ATPase is a countertransport antiport carrier, which always requires energy.
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