Organic Chemical
guanine Audio
gua·nine [ gwah-neen ]
Definitions related to guanine:
  • 2-amino-6-hydroxypurine; one of the 5 major bases (with adenine, thymine, cytosine, and uracil) found in nucleic acids.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • A chemical compound that is used to make one of the building blocks of DNA and RNA. It is a type of purine.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • A purine base that is a constituent of nucleotides occurring in nucleic acids.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Guanine, an organic compound belonging to the purine group, a class of compounds with a characteristic two-ringed structure, composed of carbon and nitrogen atoms, and occurring free or combined in such diverse natural sources as guano (the accumulated excrement and dead bodies of birds, bats, and...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
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