Which of the Following Describes an Antiport System on the Basal

question 53

Multiple Choice

Which of the following describes an antiport system on the basal side of renal tubule cells?

• A)It transports bicarbonate from the tubular fluid back into the tubule cells.
• B)It transports H⁺ in both directions across the epithelium.
• C)It transports CO₂ from the blood into the tubule cells.
• D)It exchanges K⁺ for Na⁺.
• E)It exchanges H⁺ for Na⁺.

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