aerobic oxidation
Quick Summary
Aerobic oxidation, also known as cellular respiration, is the biological process where organisms combine oxygen with food molecules to release chemical energy. This energy is captured in the form of adenosine triphosphate (ATP), which fuels cellular activities.12
The process involves three main stages:
* Glycolysis: Glucose is broken down into pyruvate, producing a small amount of ATP.13
* Tricarboxylic Acid (TCA) Cycle: Pyruvate is further processed, releasing carbon dioxide and generating more energy carriers.14
* Oxidative Phosphorylation: Electrons are passed along a chain of carriers, ultimately reacting with oxygen to form water. This stage yields the largest amount of ATP.12
This aerobic pathway is significantly more efficient in energy production than anaerobic fermentation, which occurs in the absence of oxygen. Most free-living protozoans, like other eukaryotes, rely on aerobic oxidation for survival.546
- metabolism - Oxidative, or respiratory-chain, phosphorylation
- cellular respiration
- metabolism - The nature of the respiratory chain
- cell - ATP: fueling chemical reactions
- metabolism - The formation of ATP
- metabolism - ATP yield of aerobic oxidation
- metabolism - Complete oxidation
- protozoan - Aerobic protozoans
- oxidation-reduction reaction - Biological processes
- facultative anaerobe
- oxidation-reduction reaction - Oxygen-atom transfer reactions
- oxidation
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