Mitochondria are called powerhouses of the cell. Which of the following observations support this statement?
(a) Mitochondria synthesise ATP.
(b) Mitochondria have a double membrane.
(c) The enzymes of the Krebs’ cycle and the cytochromes are found in mitochondria.
(d) Mitochondria are found in almost all plant and animal cells.
The answer is the option (a) Mitochondria synthesise ATP
Explanation: Mitochondria which synthesises ATP (Adenosine triphosphate) is called the powerhouse of the cell as ATP provides the energy to fuel many processes of the cell.