5.1 Mitochondria Anatomy- Cell Respiration

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12 Terms

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Cellular Respiration

  • Combo of aerobic and anaerobic catabolic pathways that break down organic molecules

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3 Main steps of the break down of glucose

  1. Glycolysis

  2. Citric Acid Cycle

  3. Oxidative Phosphorylation in ETC

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Mitochondria function

  • Aerobic cellular respiration to synthesize ATP

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Cells in the retina have…

fewer mitochondria

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Cells in muscle cell have

alot of mitochondria

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Mitochondria have their own…

DNA, that replicates independently

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Components of Mitochondria

  1. Outer membrane

  2. Innermembrane space

  3. Inner membrane

  4. Mitochondrial Matrix

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Inner membrane contains

  • Cristae (highly folded regions that increase surface area)

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Where does glycolysis take place?

  • In the cytosol of cell (outside of the membrane)

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Where does citric acid cycle take place?

  • In the mitochondrial Matrix

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Where does Electron Transport Chain take place?

  • In mitochondrial membrane of the cell

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Overall Reaction of Cellular Respiration

C16H12O6 +6O2→ 6 CO2 + 6 H2O + Energy (Heat and ATP)

  • Glucose gets oxidized because it loses electrons

  • O2 gets reduced because it gains electrons

    • OIL RIG