Answer:
A. A power point
Step-by-step explanation:
The mitochondrion is the cellular powerhouse. It is responsible for the production of chemical energy that drive respiratory and biochemical functions in the organism. Adenosine triphosphate which is the unit of energy is produced in the mitochondrion.
This very important function of the mitochondrion can be compared to the power plant in a city. The power plant produces the energy that drives business and other important activities that are needed for the smooth-running of the city. It can be described as the life of the city.