Mitochondria are membrane-bound cell organelles that produce the majority of the chemical energy required to power the biochemical reactions of the cell.
Glycolysis:
Glycolysis is the partial oxidation of glucose to produce pyruvate, which is then transferred to mitochondria for further oxidation.
The cytosol is the fluid in which the cell's organelles are located.
No, glycolysis does not takes place in the mitochondria.