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2.2.5 Biochemistry of Respiration

2.2.5 Biochemistry of Respiration . CYTOSOL. GLYCOLYSIS. C 6 H 12 O 6 + 6O 2 → ENERGY + 6CO 2 + 6H 2 O. ATP. Anaerobic Glycolysis. Stage 1. Glucose (6-C Sugar). NADH. NB : Anaerobic respiration may occur in the presence of oxygen but does not use oxygen . Kreb’s Cycle. 2. H 2 O.

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2.2.5 Biochemistry of Respiration

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  1. 2.2.5 Biochemistry of Respiration CYTOSOL GLYCOLYSIS C6H12O6 + 6O2→ENERGY+ 6CO2 + 6H2O ATP Anaerobic Glycolysis Stage 1 Glucose (6-C Sugar) NADH NB: Anaerobic respiration may occur in the presence of oxygen but does not use oxygen. Kreb’s Cycle 2 H2O 3 O2 4 Carrier 1 ADP+P ADP+P ADP+P ATP ATP ATP 2 X Pyruvate (3-C) Lactic acid (in animals) OR Ethanol + CO2 (in plants) Aerobic Respiration CO2 Stage 2 OXYGEN must be present MITOCHONDRION Acetyl Co-enzyme A (2-C) ATP ADP H+ ~e¯ NAD ~e¯ H+ CO2 CO2 ~e¯ H+ Waste products Electron Transport System NADH Role of NAD: It traps and transfers electrons and hydrogen ions.

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