Diagram of mitochondria: Learn about mitochondria in

Learn about mitochondria in cells. Get the definition and mitochondrion diagram. Learn about the structure and functions. Learn about mitochondria, the 'powerhouse of the cell' that produces ATP and performs other functions. See a labeled diagram of mitochondria and its parts, such as double membrane, cristae, matrix, and DNA. Mitochondria (singular: mitochondrion) are double membrane-bound cell organelles with a typical size of 0.75-3 μm². They are found in most mammalian cells, with notable exceptions including mature erythrocytes. Mitochondria is the cell organelle which is filamentous and granular structure. Mitochondria are known as the “powerhouse of the cell”