Easy Notes on Glycolysis ?
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• Glycolysis is the process by which glucose is converted via fructose-1,6-bisphosphate to pyruvate with the generation of 2 mol ATP per mol of glucose.
• There are a total of 10 enzymatic reactions involved in this pathway.
• Generates 2 ATP molecules, a source of energy for short burst needs only.
• Winemaking and bread baking both exploit this process.
• This pathway supplies fuel to the brain.
• This is an anaerobic pathway.
• The enzymes of glycolysis are located in the cytosol, where they are only loosely associated, if at all, with cell structures such as membranes.
3 Steps of Glycolysis:
1. Add phosphoryl groups to the glucose.
2. Chemically convert phosphorylated intermediates into compounds with high phosphate group-transfer potentials.
3. Chemically couple the subsequent hydrolysis of reactive substances to ATP systhesis.
2 Stages of Glycolysis:
Glycolysis Reactions 1-5:
A preparatory stage in which the hexose glucose is phosphorylated and cleaved to yield 2 molecules of triose glyceraldehyde-3-phosphate. This process uses two ATPs in a kind of energy investment.
Glycolysis Reactions 6-10:
The molecules of glyceraldehyde-3-phosphate are converted to pyruvate, with concomitant generation of four ATPs per glucose. Stage A consumes 2 ATPs, stage B produces 4 ATPs.
• There are a total of 10 enzymatic reactions involved in this pathway.
• Generates 2 ATP molecules, a source of energy for short burst needs only.
• Winemaking and bread baking both exploit this process.
• This pathway supplies fuel to the brain.
• This is an anaerobic pathway.
• The enzymes of glycolysis are located in the cytosol, where they are only loosely associated, if at all, with cell structures such as membranes.
3 Steps of Glycolysis:
1. Add phosphoryl groups to the glucose.
2. Chemically convert phosphorylated intermediates into compounds with high phosphate group-transfer potentials.
3. Chemically couple the subsequent hydrolysis of reactive substances to ATP systhesis.
2 Stages of Glycolysis:
Glycolysis Reactions 1-5:
A preparatory stage in which the hexose glucose is phosphorylated and cleaved to yield 2 molecules of triose glyceraldehyde-3-phosphate. This process uses two ATPs in a kind of energy investment.
Glycolysis Reactions 6-10:
The molecules of glyceraldehyde-3-phosphate are converted to pyruvate, with concomitant generation of four ATPs per glucose. Stage A consumes 2 ATPs, stage B produces 4 ATPs.
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Glycolysis. Glycolysis is the process of enzymatic break down of a glucose molecule into two pyruvate molecule.Pyruvate is a 3-carbon compound. During glycolysis some of the free energy is released and conserved in the form of ATP and NADH. Glycolysis is an almost universal central pathway of glucose catabolism.
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