Enzyme ATPase is made up of two component ${\mathrm{F}}_{\mathrm{o}} \mathrm{and} {\mathrm{F}}_1.$ Which of these undergo conformational changes due to the breakdown of proton gradient to release energy?

• A

  ${\mathrm{F}}_{\mathrm{o}}$

• B

  ${\mathrm{F}}_1$

• C

  $\mathrm{Both} {\mathrm{F}}_{\mathrm{o}} \mathrm{and} {\mathrm{F}}_1$

• D

  NADP reductase