The right answer is B) mitochondria
The enzyme that is behind all is ATP synthase.
The inner mitochondrial membrane is structured in characteristic mitochondrial ridges, lamellar and tubular invaginations directed towards the interior of the matrix.
They harbor the enzymes of the respiratory chain, ATP synthase, permeases, and the chains of electron transport.
The morphology of the ridges is substantially dependent on the presence of ATP synthase, which ensures the ATP supply of the cell; the number and shape of the ridges varies according to the activity of the mitochondria (important energy requirements, oxidation of fatty acids).
