phosphate By Ivan Suarez Robles 08 Feb, 2011 One of the molecular components of a nucleotide; a small molecule made up of phosphorus and oxygen.Related Articles: Glossary: adenosine diphosphate (ADP)Glossary: adenosine triphosphate (ATP)An Introduction to DNA and Chromosomes (Text and Audio)About Abnormalities in Energy MetabolismDichloroacetate