Answer:
Mitochondria
Step-by-step explanation:
Cellular respiration is the process by which cells obtain CHEMICAL ENERGY (in form of ATP) by the consumption of oxygen and the release of carbon dioxide.
Ribosomes are small organelles found in all cells; involved in the production of PROTEINS by translating messenger RNA.
A mitochondria is a spherical or ovoid organelle found in the cytoplasm of eukaryotic cells, contains genetic material separate from that of the host; it is responsible for the conversion of food to usable energy in the form of ATP.
From the definitions provided, you can understand that the enzyme will be transported to the mitochondria of cells like muscles and liver etc, where cellular respiration occur.