The taste quality of bitterness is _________________________.
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likely to indicate a poisonous substance; |
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associated with activity of receptor response to plant alkaloids; |
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triggered by the presence of hydrogen ions; |
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both alternatives a and b are correct; |
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all of the alternatives provided are correct; |
INCORRECT - Only one truly correct alternative is provided.
[Review Part 1 of the tutorial]
[Review Part 2 (Matching) of the tutorial]