The removal of oxygen from a substance is
called ……….
a) oxidation
b) reduction
c) a & b both
d) none of these
Special cells in the abdomens of fireflies
produce ……….
a) secretions
b) light
c) oils
d) water
Explanation:Researchers have long known that the firefly's abdomen contains a lantern made of photocytes, a type of specialized cell filled with a protein called luciferin. When activated by an enzyme called luciferase, luciferin reacts with oxygen while emitting light.
Cells in the abdomens of fireflies contain chemical called ………
a) antiferin
b) luciferin
c) teramycin
d) all of these
Cells in the abdomens of fireflies produce light due to ………
a) oxidation
b) reduction
c) hydrogenation
d) hydration
The addition of hydrogen to a substance is called ………..
a) oxidation
b) hydration
c) reduction
d) alkylation
