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.
Democracy in Athens reached its height under the rule of a brilliant elected leader named Cleisthenes. Peistratus was the elected leader. In the 590's BC, a man named Solon created a set of laws that were less harsh than those created by Draco. Solon's laws enabled all free men living in Athens to become aristocrats. Enabled all free men living in Athens to become citizens. The oligarchy in Athens lasted until one noble overthrew the government and ruled it alone as a tyrant.