Across
- 2. Algal balls that float by day and sink by night (6)
- 5. Gene (cryptic) - Somertime on the beach (7)
- 11. Key domain of ZEITLUPE (3)
- 12. Required for blue-light mediated entrainment (13)
- 14. Circadian-regulated clock input pathway (10)
- 16. The scientific discipline that studies rhythms in living systems (13)
- 17. Opposite of nocturnal (7)
- 21. Broader gene family containing CCA1 (8)
- 22. Plants light up and tell the time (10)
- 23. Another name for TOC1 (4)
- 24. The daily cycle of day and night (expert edition) (11)
Down
- 1. The set of genes and proteins that generates a circadian rhythm (9, 10)
- 3. Ability to detect day length (14)
- 4. Environmental or endogenous signal that entrains the clock (9)
- 6. Cyclical divalent cation (7)
- 7. A feature enabling the circadian clock to operate correctly in a variety of environmental conditions (11, 12)
- 8. He enjoyed plants in motion as well as his beagle (7, 6)
- 9. LUX, ELF3 and ELF4 (7, 7)
- 10. The other name of LUX ARRHYTHMO (11)
- 13. The time between repeating points of a circadian rhythm (6)
- 15. Motif mediating the rhythmic transcription of genes that peak at end of the subjective day (7, 7)
- 18. Displacement of the peak and trough of a circadian rhythm from its mid-point (9)
- 19. Name (cryptic) - It started sensitively in a French wine cellar (2, 6)
- 20. The daily cycle of day and night (4)
- 25. Day-night cycle length (6)
