Binds to the same receptor site and is an agent or drug, it becomes another agent but produces an opposite effect. Example drug x binds to receptor site A and potentiates the release of a neurotransmitter, drug X is an agonist at that receptor site.inds to the same receptor site and is an agent or drug, it becomes another agent but produces an opposite effect. Example drug x binds to receptor site A and potentiates the release of a neurotransmitter, drug X is an agonist at that receptor site.
Athens, one of the worldâs oldest cities, has a history of over 3000 years. Details of its founding, though, are not known; the rich mythology of ancient Greeks, though, fills in the blanks. According to the legend, Cecrops was the founder and first King of Athens.
The Myth About Rome's 1st King. Romulus was the eponymous first king of Rome. How he got there is a story like many others, involving a rags-to-riches rise in fortune, a miraculous birth (like Jesus), and the exposure of an unwanted infant (see Paris of Troy and Oedipus) in a river (see Moses and Sargon).