Circadian rhythm
Alternation of generations – Beta oxidation – Bioelectricity – Biological pest control – Biological rhythm – Bipolar disorder – Cardiopulmonary resuscitation – Calvin–Benson cycle – Cell cycle – Chronobiology – Citric acid cycle – Circadian rhythm – Clinical depression – Digestion – Ecology – Feedback – Infradian rhythm - Life cycle – List of biochemistry topics – Marine biology – Menstrual cycle – Neurofeedback – Non-Hodgkin lymphoma – Organic farming – Periodical cicadas – Polymerase chain reaction – Soil degradation – Stomach cancer – Triage – Ultradian rhythm - Urea cycle – Zygote