All Are Characteristic of the Gastric Proton Pump EXCEPT

question 26

Multiple Choice

All are characteristic of the gastric proton pump EXCEPT:

• A) Gastric proton pump requires high levels of dietary K⁺ to create a K⁺ gradient.
• B) Gastric proton pump is a H⁺, K⁺-ATPase.
• C) Gastric proton pump maintains a pH gradient of about 6.6 across the mucosal cell membrane.
• D) Gastric proton pump is electroneutral.
• E) Gastric proton pump produces a net influx of HCl into the stomach.

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