“Mitchell's chemiosmotic theory” belongs to

In which of the following are iron-porphyrin protein complexes found?

In the respiratory process, energy is released and is used to synthesize energy-rich molecules of $ATP$ from $ADP$, thereby storing energy for future use. This process of the production of these molecules in the aerobic phase is known as

$A$ : $2,4-DNP$ $(2,4-Dinitrophenol)$ is an uncoupling agent of $ETS$.
$R$ : It is soluble in lipids.

Which of the following electron carriers is mobile?

Which of the following processes takes place in the mitochondria?