this post was submitted on 11 Nov 2024
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[โ€“] Redfox8@mander.xyz 2 points 1 week ago (1 children)

I believe the receptor cell responds to a particular part of the molecule in question. Artificial flavourings and scents have identical (or similar enough) parts to trigger the same response, but are otherwise different molecules.

I think someone said the number of combinations for a key and lock receptor was insurmountable. Don't quote me.