Final answer:
Glycolysis occurs in the cytoplasm of both prokaryotic and eukaryotic cells. During glycolysis, glucose is converted into pyruvate. The process is anaerobic.
Step-by-step explanation:
Glycolysis, the first step in the breakdown of glucose to extract energy, occurs in the cytoplasm of both prokaryotic and eukaryotic cells. During glycolysis, glucose is converted into two molecules of pyruvate. The process does not use oxygen and is therefore anaerobic. It is initiated when the ATP level of the cell is low, and it can be divided into two stages: the preparatory phase and the energy-yielding phase.