Oxidative Phosphorylation

Definition

Oxidative phosphorylation is a biological process that occurs within cells to produce energy, specifically in the form of ATP, using oxygen.

Scientific / Technical Definition

Oxidative phosphorylation is the metabolic pathway in which cells use enzymes to oxidize nutrients, thereby releasing energy which is used to produce adenosine triphosphate (ATP). It takes place in the mitochondria during cellular respiration and involves the electron transport chain and chemiosmosis.

Benefits

• Produces ATP, the primary energy currency of the cell.
• Supports aerobic energy production, which is crucial for endurance activities.
• Enables the efficient utilization of nutrients to maintain energy balance.

Examples

Additional Information

• Importance: Oxidative phosphorylation is important for sustaining cellular energy levels and supporting metabolic adaptations, especially during prolonged physical activity or stress.

Related Terms

• Cellular Respiration
• Electron Transport Chain
• ATP
• Mitochondria

References

• Oxidative Phosphorylation Overview - Biochemistry
• Mitochondrial Production of ATP