The taste quality of bitterness is _________________________.
![](/icons/q_mark2.gif) |
![](../quiz_a_off.gif) |
likely to indicate a poisonous substance; |
![](../quiz_b_off.gif) |
associated with activity of receptor response to plant alkaloids; |
![](../quiz_c_off.gif) |
triggered by the presence of hydrogen ions; |
![](../quiz_d_off.gif) |
both alternatives a and b are correct; |
![](../quiz_e_off.gif) |
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]