Glucose Metabolism



Glucose Metabolism

Carbohydrate catabolism is the breakdown of carbohydrates into smaller units. The empirical formula for carbohydrates, like that of their monomer counterparts, is CX(H2YOY). Carbohydrates literally undergo combustion to retrieve the large amounts of energy in their bonds. Read more about mitochondria to find out more about the reaction and how its energy is secured in ATP.

There exist different types of carbohydrates, these are polysaccharide (e.g., starch, amylopectin, glycogen, cellulose), monosaccharides (e.g., glucose, galactose, fructose, ribose) and disaccharides (e.g., maltose, lactose).

Glucose reacts with oxygen in the following redox reaction, C6H12O6 + 6O2 → 6CO2 + 6H2O, the carbon dioxide and water is a waste product and the chemical reaction is exothermic.

The breakdown of Glucose into energy in the form of molecules of ATP is therefore one of the most important biochemical pathways found in living organisms. Anaerobic respiration is the metabolic pathway where glucose is broken down in the absence of oxygen. Aerobic respiration is the pathway where glucose is broken down in the presence of oxygen.




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