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Glycolysis.

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Presentation on theme: "Glycolysis."— Presentation transcript:

1 Glycolysis

2 GLYCOLYTIC PATHWAY

3 Glucose metabolism in cells
Glycolysis: 1.) Phosphorylation of glucose to form glucose-6-phosphate by enzyme HEXOKINASE, GLUCOKINASE. Hexokinase Glucose glucose-6-p + ADP ATP Glucokinase

4 ISOMERASE 2. ) Glucose -6- p fructose -6- p PHOSPHOFRUCTOKINASE 3
ISOMERASE 2.) Glucose -6- p fructose -6- p PHOSPHOFRUCTOKINASE 3.) Fructose-6-p fructose-1,6-biphosphate ATP

5 4.) fructose-1,6-biphosphate dihydroxyacetone phosphate
ALDOLASE 4.) fructose-1,6-biphosphate dihydroxyacetone phosphate + glyceraldehyde-3-p (interchangable compound)

6 PHOSPHATE DEHYDROGENASE
glyceraldehyde-3-p ,3-biphosphoglycerate NAD NADH PHOSPHOGLYCERATE KINASE 6. 1,3-biphosphoglycerate phosphoglycerate ADP ATP

7 7.) 3-phosphoglycerate 2-phosphoglycerate
MUTASE 7.) 3-phosphoglycerate phosphoglycerate ENOLASE 8.) 2-phosphoglycerate phosphoenol pyrovate PYRUVATE KINASE 9.) Phosphoenol pyruvate pyruvate ADP ATP

8 OUTCOME OF GLYCOLYSIS:
Loss of 2 ATP molecules at the beginning gain of 2 NADH and 6 ATP formation of 2 ATP in the final step *2 FINAL GAIN = 8 ATP


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