A neurotransmitter that makes you sleepy. Also made when adenosine triphosphate gets used for energy.

A white, odorless, crystalline powder, C5H4N5·C5H9O4, obtained from the hydrolysis of yeast nucleic acid. It is a nucleoside consisting of adenine and ribose.

See also: ADP, AMP, ATP

Log in or register to write something here or to contact authors.