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Cellular Respiration. Aerobic Respiration. Target #23- I can identify where the aerobic reactions of cellular respiration occur . After glycolysis, if oxygen is present, the Citric Acid Cycle and an Electron Transport Chain occurs Occurs within the mitochondria

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cellular respiration

Cellular Respiration

Aerobic Respiration

target 23 i can identify where the aerobic reactions of cellular respiration occur
Target #23- I can identify where the aerobic reactions of cellular respiration occur
  • After glycolysis, if oxygen is present, the Citric Acid Cycle and an Electron Transport Chain occurs
    • Occurs within the mitochondria
      • Citric Acid Cycle occurs in the matrix
      • The Electron Transport Chain occurs in the cristae, or the inner folds
target 24 i can describe the steps of the citric acid cycle
Target #24- I can describe the steps of the Citric Acid cycle
  • Citric Acid Cycle: produces molecules that carry energy to the second part of cellular respiration (2 cycles per 1 glucose)
    • Step 1: the pyruvate from glycolysis is broken down with enzyme CoA
      • Creates Acetyl Co-A, and2 CO2
    • Step 2: Acetyl Co-A combines with a 4-carbon molecule to make citric acid
      • 2 ATP is made, 2 CO2is released
    • Step 3: energy released is used to make several energy carrying molecules
      • 6 NADH and 2FADH2
target 25 i can describe the steps of the cellular respiration electron transport chain
Target #25- I can describe the steps of the cellular respiration electron transport chain
  • Electron Transport Chain
    • Step 4: NADH and FADH2 transferred to an electron transport chain in the inner membrane of the mitochondria
target 25 cont

Step 5: Electrons are released and travel through transport proteins called cytochrome molecules

    • Releases H+ ions into the cristae
    • H+ in the matrix and free floating O2 combine to form water molecules
  • Step 6: H+ ions in the cristae are pumped through to the matrix by an ATP synthase protein
    • Turns ADP into ATP
    • Known as chemiosmosis
Target #25- cont
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Target #26- I can state how many total ATP are made during glycolysis and the aerobic reactions of cellular respiration
  • Total ATP made during glycolysis and the aerobic reactions of cellular respiration = 36