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- anaerobic respiration is glycolysis and fermentation, glycolysis is the breakdown of glucose resulting in 2 pyruvate, 2 NADH, and 2 net ATP. Glycolysis occurs in the cytoplasm.
- When O2 is absent, fermentation regenerates NAD for another round of glycolysis and uses the 2 pyruvate and converts them into either lactic acid or ethanol and CO2.
- Wait, what's this? It's the Link Reaction! Pyruvate, you're up! You're being converted into Acetyl CoA, 1 NAD is reduced, and 1 carbon dioxide per pyruvate.
- Krebs cycle... I feel like I'm spinning in circles! Acetyl CoA is breaking down and releasing energy. Carbon dioxide is being released as a byproduct right here in the mitochondrial matrix."
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- The Electron Transport Chain is the final step of cellular respiration where high-energy electrons from NADH and FADH2 are passed along a series of proteins. These energetic electrons jump from one protein to another, generating energy and ultimately leading to the production of ATP. The most electrifying part is when these electrons reach the final electron acceptor, Oxygen. Oxygen eagerly accepts the electrons, creating a buzz of excitement and allowing the process to keep running smoothly. So, Oxygen becomes the ultimate superstar of the Electron Transport Chain, stealing the show by accepting the electrons and ensuring the production of ATP, the energy currency of the cell.
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