Archive | Biochemistry

8 Main Glycolytic Reactions | Carbohydrates | Biochemistry

The following points highlight the eight main glycolytic reactions. The reactions are: 1. Phosphohexose Isomerase 2. Phosphofructokinase 3. Aldolase or Fructose-Bisphosphate Aldolase 4. Glyceraldehyde-3-℗ Dehydrogenase 5. 3-Phosphoglycerate Kinase 6. Phosphoglycerate Mutase 7. Enolase 8. Pyruvate Kinase. Reaction # 1. Phosphohexose Isomerase: This enzyme isomerizes glucose-6-℗ (resulting, via glucose-1-℗, from phos-phorolysis of the reserve glycogen or from the phosphorylation of glucose [...]

By |2016-12-23T06:26:33+00:00December 23, 2016|Carbohydrates|Comments Off on 8 Main Glycolytic Reactions | Carbohydrates | Biochemistry
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Oxidative Decarboxylation of Pyruvic Acid | Biochemistry

In this article we will discuss about the oxidative decarboxylation of pyruvic acid. We know that anaerobiosis the pyruvic acid formed during glycolysis reacts with NADH which accumulates to give lactic acid (or ethanol) and thus permits the regeneration of NAD+. But when oxygen is available, NADH is reoxidized thanks to the electrons carrier system, and the pyruvic acid is [...]

By |2016-12-23T06:26:33+00:00December 23, 2016|Carbohydrates|Comments Off on Oxidative Decarboxylation of Pyruvic Acid | Biochemistry
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Carbohydrates and Lipid Metabolisms | Biochemistry

In this article we will discuss about the interrelations between carbohydrates and lipid metabolisms. Transformation of Carbohydrates into Lipids: In most animals and in man, when dietary carbohydrates are in excess, the oxidation of a part of glucose maintains relatively high concentrations of ATP, NADH and NADPH; this will promote: i. The synthesis of glycogen from glucose, which requires UTP [...]

By |2016-12-23T06:26:32+00:00December 23, 2016|Lipid Metabolism|Comments Off on Carbohydrates and Lipid Metabolisms | Biochemistry
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