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Glycolysis

Date post: 15-Jan-2016
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Glycolysis. The three steps. Glucose + 2Pi +2ADP +2NAD. 2Pyruvate + 2ATP +2NADH +2H+ +2H2O. Glucose to Glucose 6 phosphate. Hexokinase. G6P to F6P. Mg++. Phosphohexose isomerase. D G’ O =1.7 kJ/mol. F6P to F1,6, BP. D G’ o = -14.2 KJ/mol. F1,6BP to DHAP & G3P. D G’ O = 23.8kJ/mol. - PowerPoint PPT Presentation
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Glycolysis
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Page 1: Glycolysis

Glycolysis

Page 2: Glycolysis
Page 3: Glycolysis

The three steps

Glucose + 2Pi +2ADP +2NAD

2Pyruvate + 2ATP +2NADH +2H+ +2H2O

Page 4: Glycolysis
Page 5: Glycolysis

Glucose to Glucose 6 phosphate

Page 6: Glycolysis

Hexokinase

Page 7: Glycolysis

G6P to F6P

Phosphohexoseisomerase

Mg++

G’O=1.7 kJ/mol

Page 8: Glycolysis
Page 9: Glycolysis

G’o= -14.2 KJ/mol

F6P to F1,6, BP

Page 10: Glycolysis

F1,6BP to DHAP & G3P

G’O = 23.8kJ/mol

Page 11: Glycolysis

DHAP & GAP

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GAP to 1,3-BPG

G’O = 6.3kJ/mol

Page 14: Glycolysis

1,3-BPG to 3-PG

G’O = -18.5kJ/mol

Page 15: Glycolysis

3’PG to 2’PG

Rearrangement shifts PO4 position from C3 to C2.

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2PG to PEP

Enol PO4

Page 17: Glycolysis

PEP to Pyruvate

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Thermodynamics

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Uses of Pyruvate

Regeneration of NAD

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Pyruvate to ethanol

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Pyruvate to lactate

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Recycling NAD

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Galactose

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Glycogen to glucose (starvation)

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