Cellular Energy

Glycolysis

glycolysis

Fermentation

Ethanol fermentation-1

Mitochondria

Mitochondrion structure

Aerobic Respiration

CellRespiration
Cellular Respiration. Left side is glycolysis (anaerobic). The Right side is what occurs in the presence of oxygen in eukaryotes. The aerobic reactions occur inside the mitochondria after being fed AcetylCoA molecules from the cytoplasmic preparatory reaction.
2508 The Electron Transport Chain
Closeup of the Elecron Transport Chain (ETC) that takes place on the inner membrane of mitochondria. This is where oxygen is utilized as the final electron acceptor. Reduction of 1/2 O2 results in the generation of a water molecule (chemiosmosis).