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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Nucleótido

Nucleotide (NOO-klee-oh-TIDE)
A building block for nucleic acids (the molecules inside cells that carry genetic information). Nucleotides are attached end-to-end to form the nucleic acids DNA and RNA.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.