When ATP is produced in mitochondria, all of the following occur EXCEPT:
A. Water is formed from O2, electrons, and H+
B. NADH is converted to NAD+ and H+
C. Protons are pumped out of the mitochondria
D. An electrochemical gradient is established across mitochondrial membranes.
E. A pH gradient is established across mitochondrial membranes.
Answer: C. Protons are pumped out of the mitochondria