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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.
Membrane-bounded organelle in which ATP molecules are produced during the process of cellular respiration nad+ Coenzyme in oxidation-reduction reactions that accepts electrons and hydrogen ions to become NADH + H+ as oxidation of substrate occurs during cellular respiration NADH carries electrons to the ETC in mitochondria