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Cristae are the infoldings of the inner membrane of a mitochondrion. They are studded with proteins, including ATP synthase and a variety of cytochromes, and function in cellular respiration. They provide more surface area for cellular respiration to happen.
Best Answer: The inner membrane of the mitochondrion, the cristae is folded to increase the surface area. The cytochromes of the electron transport chain are located on stalked particles on the christae.The electron transport chain is the main energy (ATP) generating stage aerobic respiration.hey are a separate part of the mitochondrion that are attached to the inner membrane. They are derived from the inner membrane, and are pinched off by characteristic protein complexes at the point where they meet the inner membrane (this is called a 'cristal junction').