In the sodium-hydrogen antiport system, A) both Na⁺ and H⁺ are transported into the tubular lumen. B) both Na⁺ and H⁺ are transported into the tubular cell. C) Na⁺ are transported into the cell; H⁺ are transported out of the cell. D) Na⁺ are transported into the tubular lumen; H⁺ are transported into the cell. E) Na⁺ are transported out of the cell; H⁺ are transported into the cell.

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Quizplus · Accepted Answer

In the sodium-hydrogen antiport system, sodium ions (Na+) are transported into the tubular cell, while hydrogen ions (H+) are transported out of the cell, facilitating the exchange across the cell membrane.

In the Sodium-Hydrogen Antiport System