Which of the Following Is Not True of the Proton

Multiple Choice

Which of the following is not true of the proton motive force (pmf) ?

A) One component of the pmf is the chemical gradient of protons.
B) One component of the pmf is the charge gradient of protons.
C) Generation of the pmf in mitochondria requires succinate.
D) The pmf is generated by the electron transport chain in mitochondria.
E) The pmf drives ATP synthesis in mitochondria.