The bitter taste is mediated by the action of
Correct Answer: G protein
Description: Sweet- G protein coupled increased in cAMP causing closure of K+ channels.
Salt- Opening of amiloride sensitive Na+ channels
Sour- Increased intracellular H+ concentration causing closure of K+ channels
Bitter- G protein-coupled increase in intracellular Ca++ triggering neurotransmitter release.
Category:
Physiology
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