The correct answer is option 2, mitochondria. Mitochondria are cell organelles that are responsible for cellular respiration. Cellular respiration is the process by which cells convert glucose and oxygen into energy in the form of adenosine triphosphate (ATP).
Let`s take a look at the other options to understand why they are not responsible for cellular respiration.
Option 1: Golgi bodies. Golgi bodies are involved in the packaging and transport of proteins within the cell. They are not directly involved in cellular respiration.
Option 3: Nucleus. The nucleus is the control center of the cell and contains DNA. While it plays a vital role in the overall functioning of the cell, it is not directly responsible for cellular respiration.
Option 4: Lysosomes. Lysosomes are responsible for breaking down waste materials and old cell components. They are not involved in cellular respiration.
In conclusion, it is the mitochondria that are responsible for cellular respiration. These organelles contain the enzymes necessary for the breakdown of glucose and the production of ATP, which is the primary source of energy for the cell.