Assertion: taste bud's receptor | /r/HasProperty | protein
Facets:
Source sentences:
text: Generally speaking, living birds with more olfactory receptors—proteins that bind with specific odor molecules—tend to have disproportionately large olfactory bulbs, the regions in their brains that process smells.
text: The sensory receptors on the cilia are proteins, and slight variations in the protein sequences make them sensitive to different odorants.