Multiple Choice
The lock-and-key theory proposes that ____.
A) specific taste molecules have the power to excite specific receptors on the tongue
B) taste sensation occurs when specific molecules split apart to create a chemical chain reaction on the tongue
C) smell sensation occurs when specific molecules split apart to create a chemical chain reaction in the nose
D) specific odor molecules have the power to excite specific receptors in the nose
Correct Answer:

Verified
Correct Answer:
Verified
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