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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.
mitochondria Structures in the cytoplasm of all cells where aerobic respiration takes place (singular is mitochondrion). respiration The chemical change that takes place inside living cells, which uses glucose and oxygen to release the energy that organisms need to live. Carbon dioxide is a by-product of respiration. respiratory system The organ system where air is taken into and out the body, and gas exchange happens.