Abstract
The mechanisms which could underlie circadian rhythms fall naturally into groups with qualitatively different responses to disruption. Experiments designed to distinguish between these mechanisms seem to exclude all of them. It may be that multicellular organisms keep time, not by one ‘clock’ but by averaging many independent circadian oscillators.
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Winfree, A. Unclocklike behaviour of biological clocks. Nature 253, 315–319 (1975). https://doi.org/10.1038/253315a0
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DOI: https://doi.org/10.1038/253315a0
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