To study whether an olfactory receptor neuron is activated by pyradine a researcher employs an imaging technique that utilizes a chemical indicator that glows green when exposed to ultraviolet light. if a decrease in the intensity of glow observed corresponds to an increase in ionic concentration in the olfactory receptor neuron in response to an odorant, which ion would this indicator chelate? choose 1 a. potassiumb. sodiumc. chlorided. calcium

D. Calcium

Explanation:

A chelate is produced when a multidentate ligand forms two or more coordinate bonds with a metal ion present to create a ring structure.

In this case Ca++ is the metal ion forming COORDINATE bond

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

answer: c

explanation: