The process of cellular which occurs in the infolded membranes which are shown at B is the folded membranes which comprise of the cristae and gel-like fluid which is between them or the matrix which are the locations of cellular respiration.
Cellular respiration is termed as a set of metabolic reactions and also processes which takes place in the cells of organisms which converts biochemical energy from nutrients into adenosine triphosphate and later it is released as a waste product.
