Answer:
The fluid constituent of the cytoplasm is known as the cytosol, and within the cytosol various organelles are present. The first or the initial stage of cellular respiration, that is, glycolysis takes place within the cytosol of the eukaryotic cell. Glycolysis in simple terms is also known as the dissociation of sugar molecule. In the process of glycolysis, glucose gets transformed into the molecule of pyruvate.
The pyruvate, that is, the end product of glycolysis is further used in other steps of cellular respiration. The other steps of cellular respiration take place within the mitochondria.