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A further study of the action of potassium on amoeba protoplasm

โœ Scribed by Heilbrunn, L. V. ;Daugherty, Kathryn

Publisher
Wiley (John Wiley & Sons)
Year
1934
Tongue
English
Weight
613 KB
Volume
5
Category
Article
ISSN
0095-9898

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โœฆ Synopsis

It is possible to consider calcium as of primary importance in initiating protoplasmic activity (compare Heilbrunn, '28, Heilbrunn and Daugherty, '33). The protoplasmic fluid when stimulated stiffens or clots and this clotting reaction depends in large measure on the presence of free calcium ions. But if it is important for protoplasm to respond to stimulation, it is also important for it to recover. Whether or not potassium plays a part in such recovery reactions, certain it is 'This investigation was aided by a grant from thc Research Committee of the University of Pennsylvania. 207

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