Cellular Respiration

Cellular Respiration

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  • 1
  • Howdy, Y'all! Today I'm gonna teach Y'all about your bodies way to create energy through aerobic methods of production!
  • 2
  • Glucose
  • The first step to energy production is glycolysis where the main goal is splitting glucose into two pyruvic acid molecules. In the beginning, ATP is invested as activation energy and gets turned into ADP. Then it splits into 2 molecules called G3P. Next, 4 ADP and 2 NAD+ combine with phosphates and create 4 ATP and 2 NADH and turn the G3P into 2 pyruvates. (C6H12O6 + 2 NAD+ + 2 ADP + 2 P -----> 2 pyruvic acid)
  • 2 pyruvate
  • G
  • G
  • 3
  • 3
  • P
  • P
  • 3
  • Next, the pyruvates travel to the Krebs cycle in the matrix. When the NAD+ is added, it turns into Acetyl CoA. with the assistance of coenzyme A. That acetyl CoA combines with a 4-carbon molecule to make citric acid!
  • intermembrane space
  • matrix
  • outer membrane
  • inner membrane
  • 4
  • Eventually, the cycle creates one ATP molecule, 4 NADH, and one FADH2 when the citric acid gets reduced to a 5 carbon, and then to a four-carbon molecule. A molecule called FAD+ takes a hydrogen ion from the four carbon molecule to make FADH2 which is another energy carrier.
  • Pyruvic acid
  • citric acid
  • NADH
  • FADH2
  • 5
  • The final method of energy production is the Electron transport chain, which takes place in the intermembrane space. In the ETC, electrons from NADH and FADH2 power proton pumps which put hydrogen protons into the intermembrane space. When enough ions gather here, they will trigger the ATP synthase which will bind a phosphate to ADP and create 34 ATP
  • NADH
  • FADH2
  • pump
  • 36 ATP
  • H+
  • ATP synthase
  • 6
  • There you have it, kids! Isnt cellular respiration just FASCINATING! Always remember that all three of these combined have a net gain of 38 ATP!
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