Aerobic respiration is a biological process in which cells obtain energy by converting glucose and oxygen into carbon dioxide and water. The simplified equation for aerobic respiration can be expressed as:
Glucose + Oxygen → Carbon Dioxide + Water + Energy (ATP)
In terms of chemical formulas, the equation is:
C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + Energy
This reaction occurs in several stages, primarily in the mitochondria of the cells. First, glucose undergoes glycolysis, breaking down into pyruvate. Next, in the presence of oxygen, the pyruvate enters the Krebs cycle (citric acid cycle), where it is further broken down, releasing carbon dioxide. Lastly, the electron transport chain utilizes the electrons from these reactions to produce ATP, which is the energy currency of the cell. This energy is essential for various cellular functions and activities.