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|Look up biological clock in Wiktionary, the free dictionary.|
Biological clock may refer to:
- Biological clock (aging), an aging clock that measures aging throughout the body based on DNA methylation levels, also epigenetic clock or DNA clock.
- Circadian clock
- Circadian rhythm, living organisms' adaptations to solar related rhythms
- Age and female fertility
|This disambiguation page lists articles associated with the title Biological clock.
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