Which taste receptors are capable of detecting certain amino acids, particularly glutamate?

Question

Quizplus · Accepted Answer

The taste receptor known as umami is capable of detecting the amino acid glutamate, as well as other substances that indicate protein-rich foods. A is incorrect because salty receptors respond to ionized salts, not amino acids. C is incorrect because sour receptors respond to acidic substances. D and E are incorrect because sweet and bitter receptors respond to other types of molecules, such as sugars and alkaloids, respectively.

Which Taste Receptors Are Capable of Detecting Certain Amino Acids