Asking students to taste PTC-soaked paper is a classic classroom exercise to demonstrate a simple inherited trait. Some grimace, others look puzzled. "PTC perception is arguably one of the most ...
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Your Skin Can “Taste” Bitter Compounds to Protect Against ToxinsThe ability to perceive the bitter taste is ... protein. To test this complicated mechanism, the researchers exposed human skin cells in a petri dish to bitter compounds like PTC and saccharin.
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