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The mitochondria is responsible for respiration, but glycolysis occurs in the cytoplasm of the cell. The Krebs cycle and electron transport both occur in the mitochondria of t â¦ he cell. Cellular aerobic respiration occurs within the mitochondria. Cellular respiration occurs in the mitochondria of a cell.
Quick Answer. The mitochondria inside a cell produces ATP, or adenosine triphosphate. Cellular respiration is responsible for ATP production, a process in which ATP production occurs after biochemical energy from nutrients is converted. The mitochondria, also called the powerhouse of a cell, is present in large numbers in almost every cell in the body.