Thus , generation of a proton electrochemical gradient is crucial for energy production in mitochondria .
This drives the flux of protons back into the matrix through ATP synthase which produces ATP by adding an inorganic phosphate to ADP .
Generation of a proton electrochemical gradient is crucial for energy production in mitochondria .
This drives the flux of protons back into the matrix through ATP synthase which produces ATP by adding an inorganic phosphate to ADP .