Assertion: firefly's chemical | /r/HasProperty | luciferase
Facets:
Source sentences:
text: In a firefly’s tail, you’ll find two chemicals: luciferase and luciferin.
text: These chemicals are called luciferin and luciferase.
text: Three chemicals -- luciferase, luciferin and ATP -- combine to produce the firefly's characteristic glow.
text: The main chemical involved in generating their light is luciferase, an enzyme that interacts with oxygen to glow.