Chemiosmotic coupling of oxidation phosphorylation is related to?

Chemiosmotic coupling of oxidation
phosphorylation is related to ?
a) Formation of ATP at substrate level
b) ATP generation of pumping of proton
c) ATP generation of pumping of neutron
d) ATP formation by transport of 0,
Correct Answer - B
Ans. is ‘b’ i.e., ATP generation of pumping of proton [Ref Harper
29’die p. 125-127]
Chemoiosmotic theory
It states that “free energy of electron transport” is conserved by
pumping protons from mitochondrial matrix to the intermembrane
space, so as to create an electrochemical proton gradient across the
inner mitochondrial membrane, with outer side of membrane is
positively charged as compared to inside. Electrochemical potential
of this gradient is used to synthesize ATP by ATP synthase