noun🔗ShareA spherical or ovoid organelle found in the cytoplasm of eukaryotic cells and containing genetic material separate from that of the host; it is responsible for the conversion of food to usable energy in the form of ATP."The mitochondrion in each cell acts like a tiny power plant, converting the food we eat into energy that our body can use. "biologybiochemistryorganorganismphysiologyanatomyscienceChat with AIVocabulary GamePractice Reading