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Abstract
The effects on Valonia of guaiacol and hexylresorcinol are similar but the latter is more effective. Both substances lower or abolish the potassium effect; i.e., the ability of the cell to distinguish electrically between Na(+) and K(+). Both substances change the order of mobilities so that v(Cl) > u(Na) becomes u(Na) > v(Cl) or u(Na) = v(Cl).
Highlights
W i t h curves showing a sharp drop, 5 as in Fig. 1, the latent period mayvary from 3 to 40 seconds and the P.D. m a y become positive to the extent of from 17 to 50 my
With some cells the curve fell very gradually and the l,.D. did not become more than 12 inv. positive
For convenience we may speak of the rise of the curve as "recovery" with the understanding that complete "recovery" does not mean that the cell returns to its original state
Summary
W i t h curves showing a sharp drop, 5 as, the latent period mayvary from 3 to 40 seconds and the P.D. m a y become positive to the extent of from 17 to 50 my. If the rise of the curve, showing a loss of positive P.D., were due to injury we should expect the final P.D. to be zero. T h e curve as a rule flattened out at a positive value of the P.D. and showed no sign of going to zero. With some cells the curve fell very gradually and the l,.D. did not become more than 12 inv.
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