• The Citric Acid Cycle: Powerhouse of Cellular Energy and Biosynthesis

  • Nov 3 2024
  • Length: 23 mins
  • Podcast

The Citric Acid Cycle: Powerhouse of Cellular Energy and Biosynthesis

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  • Summary

  • Join us as we explore the citric acid cycle, a metabolic marvel that powers cellular energy production. Known also as the Krebs cycle or TCA cycle, this essential pathway breaks down carbohydrates, fats, and proteins, channeling their energy into ATP production through a series of finely regulated steps. We’ll cover the two main stages of the cycle—from carbon oxidation and electron capture to the regeneration of oxaloacetate—and discuss its regulation by key enzymes like citrate synthase and isocitrate dehydrogenase, which ensure balance based on the cell’s energy needs. Plus, we’ll highlight the glyoxylate cycle, a fascinating variant in plants and bacteria that enables conversion of fats to carbohydrates—a trick animals can’t perform. Tune in to see how these pathways exemplify metabolic adaptability and sustain life in diverse ecosystems!
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