ADP is a
molecule which consists of the
nitrogenous base adenine linked to the
sugar ribose and which has a chain of two
phosphate groups attached to the ribose in a
linear fashion. ADP is used as an
intermediate throughout
glycolysis.
ATP hydrolyzes to produce ADP and free
energy.
From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.