Aerobic Respiration

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  • I'm in the middle of a SUPER big race! Here's where I'm getting the energy to keep running:
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  • First, my body is going through glycolysis. Glucose gets broken up, which makes 2 pyruvic acid, 2 ATP and 2 NADH (we'll use that later)
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  • After that, The Krebs Cycle begins in the mitochondrial matrix. The pyruvic acid becomes Acetyl CoA through pyruvic oxidation using Coenzyme A. 
  • Then, Acetyl CoA bonds to citric acid, and begins to lose and gain CO2 molecules in a cyclic pattern with the help of NAD+, FAD and some ADP. 
  • This creates NADH when it accepts a proton, FADH2, and ATP, which are used next in the electron transport chain. 
  • Finally, electrons from NADH & FADH2 get pumped into proteins in the inner membrane. These proteins use the energy from the electrons to move hydrogen ions into the intermembrane space, creating a gradient.  Finally, ATP synthase is powered by the hydrogen ions and picks up phosphates. Then. it adds them to ADP, forming ATP.
  • Equation:  C6H12O6 + 6O2 → 6CO2 + 6H2O
  • Well, that's it! Aerobic respiration! Thanks for helping me in my race!
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