<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Type of substance that may be described as a linear sequence of nucleosides typically linked through phosphate esters.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>
nci:P98
Former Definition: A family of macromolecules, composed of various moieties: purines, pyrimidines, phosphoric acid, and a pentose, either d-ribose or d-deoxyribose. Nucleic acids as DNA or RNA is found in the chromosomes, nucleoli, mitochondria, and cytoplasm of all cells, and in viruses. Nucleic acids are the major players in controlling cellular function and heredity.