Endogenous Circadian Rhythm in Cytoplasm of Acetabularia: Influence of the Nucleus

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Science  30 Oct 1964:
Vol. 146, Issue 3644, pp. 658-659
DOI: 10.1126/science.146.3644.658


It was shown by three different methods that in the unicellular and uninuclear green alga Acetabularia the nucleus is capable of determining the phase of the circadian rhythm of the oxygen balance in the cytoplasm.

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