question_answer 18)

    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 plants and animal cells.

Answer:

                (a) Mitochondria are a double membrane bound structures and are the site of ATP production which is the energy currency of the cell. The rest of the statements, though are correct but, does not verify and support the fact that mitochondria are the powerhouses of the cell.