Most multi-cellular organisms obtain energy for the synthesis of ATP during oxidative phosphorylation from

a proton gradient across the cell membrane

high energy phosphate compounds

a proton gradient across the inner mitochondrial membrane

a proton gradient across the outer mitochondrial membrane

Most multi-cellular organisms obtain energy for the synthesis of ATP d

1.	Most multi-cellular organisms obtain energy for the synthesis of ATP during oxidative phosphorylation from
A.	high energy phosphate compounds
B.	a proton gradient across the inner mitochondrial membrane
C.	a proton gradient across the cell membrane
D.	a proton gradient across the outer mitochondrial membrane
Answer» C. a proton gradient across the cell membrane