Suppose you've taken a drug that inactivates the sugar-sensing receptor cells in your taste buds and causes the sour-sensing cells to be activated by sugars (but doesn't change those latter cells' sensitivities to any other substances). Based on the principle of labeled lines, you would expect that honey will now have ___ to you and lemons will taste ___. no taste : sour a sour taste : sour a sour taste : sweet no taste : sweet
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