Question

Two of the five types of taste buds are activated by directly hypopolarizing the taste buds; i.e. do not involve a second-messenger pathway. The tastes that activate these receptors are:

Answer 1

Answer: salty and sour

Explanation:

Taste buds consist of the taste receptor cells and they're the nerve endings on the tongue that provide the sense of taste.

Based on the information given, the tastes that activate these receptors are salty and sour. The tastes depolarize the cell receptor directly.