Strategy of Biological Catalysis
Living bodies may exist in a very narrow temperature range at the very lowest end of Nature’s temperature scale. Under such conditions, many chemical reactions are either impossible or occur very slowly. That is why all biochemical and physiological processes in organisms are realized with the accompaniment of biological catalysts—enzymes. Enzymes are proteins that increase the rates of biochemical reactions many thousand-fold, while themselves remaining unchanged and unconsumed, since they only undergo reversible modifications. The emergence of biocatalysts was a revolutionary event, since they conditioned the appearance of rapid and organized transformations of substances in a cold sea of undisturbed chemical chaos, which would have been impossible under any other conditions. The possibility of selective manifestations of planetary properties arose, increasing the probability of reaction flow, which would have been improbable under these conditions without enzymes. This was also the basis for the formation of the organized closed space and orderliness of cells.