EFFECT OF VARIOUS BIOCATALYZERS ON THE WATER-PERMEABILITY OF PROTOPLASM
ARMY BIOLOGICAL LABS FREDERICK MD
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It was proven that when applied in physiologically effective concentrations growth factors increase the water permeability of protoplasm and growth inhibitors decrease its water permeability. The rapid and liberal water intake of cells during elongation is made possible directly by the growth factors while growth inhibitors act as antagonists and have a powerful braking action on water intake. The rapid initiation of this effect is clear evidence that it is a primary effect of said growth factors and inhibitors, which thus act first of all as regulators of water permeability. It is clear that even knowing this, the specific effect which auxin has on the cell membrane during the changes which follow still remains unexplained.