Which of the following statements about neurotransmitters is not correct?
A neurotransmitter is synthesized and released close to its site of action.
A neurotransmitter must carry a message across a tiny gap between nerve cells.
A neurotransmitter is released in short bursts and their effects are very short lived.
A neurotransmitter is quickly broken down or reabsorbed by the nerve cell.
All statements are true.