Assertion: taste's receptor | /r/HasProperty | coupled to a g protein
Facets:
Source sentences:
text: Sweetness is detected by a variety of G protein-coupled receptors coupled to a G protein that acts as an intermediary in the communication between taste bud and brain, gustducin.
text: Bitterness, like sweetness, is sensed by G protein coupled receptors coupled to the G protein gustducin.