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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.
The folds created by the inner membrane are known as the cristae, which contain proteins and molecules that participate in cellular respiration. The matrix of the mitochondria is the space surrounding the cristae, which also includes molecules that participate in cellular respiration as well as ribosomes and mitochondrial DNA. Learning Outcomes. From this lesson, you will have the ability to: Describe mitochondria and explain their relationship to chemical energy