<prompt> mGluR 4 is associated with which taste?SweetSourBitterUmami  <response>: Ans. D UmamiRef: Ganong, 25th ed. pg. 222 Most taste buds on the tongue and other regions of the mouth can detect umami taste, irrespective of their location. Biochemical studies have identified the taste receptors responsible for the sense of umami as modified forms of mGluR4, mGluR1 and taste receptor type 1 T1R1 T1R3, all of which have been found in all regions of the tongue bearing taste buds. 