The organophosphates commonly found in insecticides are thought to act by which of the following mechanisms?
A . Combining with acetylcholine
B . Potentiating the action of acetylcholinesterase
C . Forming a very stable complex with acetylcholinesterase
D . Reacting at the cholinergic receptor
E . Preventing the release of acetylcholine from the nerve ending
Answer: C