Initial language selection is based on your web browser preferences.
Often referred to as the 'powerhouse of the cell', mitochondria are organelles that are responsible for many of the reactions involved in cellular respiration.
A mitochondrion is made of two membranes: the outer membrane covers the organelle, while the inner membrane is folded many times, creating layered structures named cristae, whose high surface area facilitates a greater rate of reactions. Fluid within a mitochondrion is called the matrix.