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Glycolysis is the sequence of reactions that converts glucose into pyruvate with the concomitant production of a relatively small amount of ATP. Glycolysis can be carried out anerobically (in the absence of oxygen) and is thus an especially important pathway for organisms that can ferment sugars. For example, glycolysis is the pathway utilized by yeast to produce the alcohol found in beer. Glycolysis also serves as a source of raw materials for the synthesis of …

…for an aldose-ketose isomerization. dehydration : the removal of water by a dehydratase. Dehydration ? This reaction is characterized by the removal of a water molecule from an alcohol. This yields a carbon-carbon double bond in the original molecule. Aldol cleavage: the splitting of a carbon-carbon bond in a reversal of an aldol condensation by an aldolase.Aldol Cleavage ? This reaction is characterized by the splitting of a carbon-carbon bond. This yields an aldehyde and a ketose.