What kind of stimuli activate receptor cells to trigger the sensation of taste?

Question

Quizplus · Accepted Answer

Chemical substances dissolved in saliva, such as those found in food and beverages, activate receptor cells in taste buds on the tongue, triggering the sensation of taste. Electromagnetic energy (B) refers to light waves, which are not directly involved in taste perception. Airborne proprioceptors (C) are receptors that detect the position and movement of the body, and airborne nociceptors (D) are receptors that detect pain. Neither of these types of receptors are involved in taste perception.

What Kind of Stimuli Activate Receptor Cells to Trigger the Sensation