In the former case, the light - emitting cells and organs contain a chemical called luciferin, which reacts with oxygen in the presence of an enzyme, creating light that is usually blue to green in color.
Pirmajā gadījumā gaismu izstarojošās šūnas un orgāni satur luciferīnu — ķīmisku vielu, kas kāda fermenta klātbūtnē reaģē ar skābekli, radot zilganu vai zaļganu spīdumu.