You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is mGluR 4 is associated with which taste? and explain in detail?
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.