Sea water in which sodium has been replaced by potassium produces about the same degree of negativity in Halicystis and in Valonia. With increasing dilution of this sea water up to 1 / 16 the degree of negativity steadily falls off in Halicystis. This differs from the situation in Valonia where Damon finds that with increasing dilution the negativity passes through a minimum after which increasing dilution produces increasing negativity. But conditions in the two organisms differ so greatly that a comparison is of rather doubtful significance.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2141964 | PMC |
| http://dx.doi.org/10.1085/jgp.21.5.631 | DOI Listing |
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