what are cristae
A crista (/ËkrÉªstÉ/ , pl. cristae cristÃ¦ and) cristae is a fold in the inner membrane of a. mitochondrionristae are studded with proteins, including ATP synthase and a variety of cytochromes. With the discovery of the dual membrane nature of mitochondria, the pioneers of mitochondrial ultrastructural research proposed different models for the organization of the mitochondrial inner membrane.