Biologically Active Substance
pyrimidines
py·rim·i·dines
Subclass of:
Heterocyclic Compounds, 1-Ring
Definitions related to pyrimidines:
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6-membered aromatic ring structure with 2 meta nitrogen heteroatoms.CRISP ThesaurusNational Institutes of Health, 2006
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One of two classes of heterocyclic nitrogenous bases found in the nucleic acids DNA and RNA: in DNA the pyrimidines are cytosine and thymine, in RNA uracil replaces thymine.NCI ThesaurusU.S. National Cancer Institute, 2021
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A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They include several nucleic acid constituents (CYTOSINE; THYMINE; and URACIL) and form the basic structure of the barbiturates.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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One of two chemical compounds that cells use to make the building blocks of DNA and RNA. Examples of pyrimidines are cytosine, thymine, and uracil. Cytosine and thymine are used to make DNA and cytosine and uracil are used to make RNA.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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