Answer :
If metabotropic receptors on the tongue are blocked, sweet tastes are likely to be blocked.
A metabotropic receptor, also known as a G-protein-coupled receptor, is a type of membrane receptor that initiates a series of metabolic steps in order to modulate cell activity. The nervous system makes use of two types of receptors: metabotropic and ionotropic.
Taste buds are tiny sensory organs on your tongue that transmit taste signals to your brain. Because humans have so many taste buds, they can detect a variety of flavours in five categories: sweet, sour, salty, bitter, and savoury.
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