electrochemical proton gradient

electrochemical proton gradient

[i‚lek·trō‚kem·i·kəl ′prō‚tän ‚grād·ē·ənt]
(cell and molecular biology)
The combined effect of the electric charge gradient across a membrane and the pH gradient across the membrane (the membrane potential), which drives H+and OH- ions to cross the membrane.
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