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.
Periclesâ earliest recorded act, the financial sponsorship of a play by Aeschylus in 472 B.C., foreshadowed the future leaderâs wealth, artistic taste and political savvy. The play expressed support for Athensâ embattled populist leader Themistocles over Periclesâ future archrival, the aristocrat Cimon. Did You Know? All surviving statues and images of Pericles show him wearing a helmetâhis rightful symbol as an Athenian general. The armor also covered up his one known physical flawâhis outsize head.