Mitrochondia are small spherical, long rod or filamentous. mitochondria are found in Eukaryotic cell and absence in Prokaryotic cell.
Mitochondria is double membrane structure containing outer and inner membrane. The outer membrane is smooth while the inner membrane is folded inward to form cristae. The mitochondria is filled with fluid called Matrix in which cristae is suspended. Mitochondria mainly contain protein (70%) and lipid ( 30%)