A good analogy for the way in which a neurotransmitter binds to receptor sites is:

answer; ///i believe the correct answer is the empire state building;

not  

cuba  

russia  

iraq  

el salvador  

explanation:

known as the land of volcanoes, el salvador has visit seismic tremors and volcanic movement. it is the main nation in central america that does not have a coastline on the caribbean sea. about portion of all salvadorans live in the wide open. they are poor and don't have power or running water in their homes. in 1525, pedro de alvarado, a lieutenant of cortés's, vanquished el salvador. el salvador, with alternate nations of central america, pronounced its freedom from spain on sept. 15, 1821, and was a piece of a league of central american states until the point when that association broke up in 1838.

i'm not sure what you are asking, but it also served as a debtors colony, was ran by the trustees for 20 years until becoming a royal colony, and people had restrictions such as no slaves, and only 50 acres of land per person/ hope this !

- jack watson

answer; ///relational devaluation;