African naked mole rats show no behavioral response when exposed to capsaicin, the active ingredient in chili peppers. This is most likely due to the fact that they lack the neurotransmitter
A) glutamate.
B) GABA .
C) substance P.
D) serotonin.

Question

African naked mole rats show no behavioral response when exposed to capsaicin, the active ingredient in chili peppers. This is most likely due to the fact that they lack the neurotransmitter
A) glutamate.
B) GABA .
C) substance P.
D) serotonin.

Quizplus · Accepted Answer

Capsaicin activates pain receptors in mammals, which are often mediated by the release of substance P, a neurotransmitter involved in pain sensation. Since African naked mole rats show no behavioral response to capsaicin, it is likely that they lack substance P.

African Naked Mole Rats Show No Behavioral Response When Exposed