The following points highlight the three possibilities of the transformation of pyruvic acid. The possibilities are: 1. Production of Lactic Acid 2. Alcoholic Fermentation 3. Formation of α-Glycerophosphate and Glycerol. Possibility # 1. Production of Lactic Acid: In animals, in muscle cells (where anaerobiosis conditions often prevail when oxygen utilization is more rapid than its input in cells) or in [...]
In this article we will discuss about the inhibition of glycolysis by oxygen. Some controls, particularly hormonal, are carried out on glycolysis. We will examine here only the effect of oxygen known as the Pasteur effect because Pasteur was the first scientist to observe that in yeast, glucose was less rapidly consumed in aerobiosis than in anaerobiosis. In other words, [...]
Monosaccharides, and particularly glucose, owe their importance to the fact that their oxidation provides the living organisms with a major part of the energy they require. Furthermore, the carbon atoms of glucose can be found in a large number of compounds (amino acids, fatty acids, sterols, glycerol, etc.). In the study of the metabolism of carbohydrates we will therefore come [...]