Cellular Respiration Victoria Couch

Equation: C6H12O6 + 6O2 + *arrow* 6CO2 + 6H2O + 38 ATP

Cellular Respiration is an aerobic process (needs oxygen)

  • Glycolysis:
  • 1st step in both cellular respiration and fermentation
  • therefore, glycolysis occurs in both with oxygen (aerobic) and without oxygen (anaerobic) pathways
  • takes place in the cytoplasm
  • occurs in all living organisms
  • Glucose ---> Pyruvic Acid C6H12O6 ---> 2C3H4O3
  • a net of ATP are made
  • The Krebs Cycle (Citric Acid Cycle): 
  • 2nd step in cellular respiration
  • takes place in the mitochondria
  • Pyruvic acid is broken down into carbon dioxide
  • More NADH are made
  • FADH2 (just like ATP and NADH) are made
  • releases 2 more ATP
  • Electron Transport Chain:
  • also known as "oxidative phosphorylation"
  • occurs in the cristae of mitochondria
  • NADH and FADH2 are used
  • oxygen is a reactant and water a product
  • high energy electrons that come from krebs cycle are used to convert ADP into ATP

Inputs and Outputs:

Glycolysis: inputs- glucose, 2 ATP, 2 NAD+, 4 ADP+ P outputs- 2 pyruvates, 4 ATP (2 net), 2 NADH+H+ 2 H2O

Krebs Cycle: Inputs- 2 aceytl CoA, 2 oxaloacetate, 2 ADP+P, 6 NAD+ 2 FAD outputs- 4 CO2, 2 ATP, 6 NADH+H+ 2 FADH2

Electron Transport Chain: inputs- 10 NADH+H+ 2 FADH2 outputs- 10 NAD+ 2 FAD, H2O, 34 ATP

SOURCES: https://quizlet.com/3565265/flashcards

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victoria couch

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