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25 Cards in this Set
- Front
- Back
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occurs in cytoplasm of the cell
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glycolysis
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occurs when glucose is available
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glycolysis
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uses energy stored in glucose to form ATP
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glycolysis
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glucose is oxidized to pyruvic acid
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glycolysis
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net gain of 2 molecules ATP
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glycolysis
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2 NADH carry high energy electrons
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glycolysis
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occurs in overworked muscles when oxygen is unavailable
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fermentation
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pyruvic acid from glycolysis is reduced to lactic acid & NADH is oxidized to NAD+ so glycolysis can continue
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fermentation
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inefficient b/c most of energy in glucose remains in lactic acid
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fermentation
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pyruvic acid transported into a mitochondrion when oxygen is available
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Acetyl Coenzyme A formation
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molecule of CO2 is removed from each pyruvic acid
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Acetyl Coenzyme A formation
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NAD+ removes electrons & H+ to form an acetyl group and NADH
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Acetyl Coenzyme A formation
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enters Krebs cycle
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Acetyl Coenzyme A formation
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occurs in matrix of mitochondrion
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Krebs cycle
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occurs when oxygen is available
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Krebs cycle
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releases more energy available in molecule of glucose
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Krebs cycle
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each acetyl coenzyme A that enteres is oxidized to produce 2 CO2
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Krebs cycle
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2 ATP are produced
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Krebs cycle
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6 NADH are generated that cary high-energy electrons
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Krebs cycle
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2 FADH are generated that carry high-energy electrons
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Krebs cycle
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takes place along inner membrane of mitochondria
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electron transport chain
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takes place when O2 is available
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electron transport chain
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completes release of energy that is stored in glucose
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electron transport chain
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NADH & FADH2 transfer electrons and H+ to electron carriers to make ATP
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electron transport chain
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O2 accepts low energy electrons & combines w/ H+ to form water
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electron transport chain
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