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  1. Cytosine - Wikipedia

    Cytosine[a] (symbol C or Cyt) is one of the four nucleotide bases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA). It is a pyrimidine derivative, with a heterocyclic …

  2. Cytosine | base, nucleobase, DNA | Britannica

    Cytosine, a nitrogenous base derived from pyrimidine that occurs in nucleic acids, the heredity-controlling components of all living cells, and in some coenzymes, substances that act in conjunction …

  3. What Is Cytosine and What Are Its Functions? - Biology Insights

    Jul 30, 2025 · Cytosine is one of the four fundamental building blocks that make up the genetic material in all known life forms. It serves as a nucleobase, a nitrogen-containing compound, that is a …

  4. Cytosine in DNA and RNA: Functions, Modifications, and ... - Nanowerk

    Cytosine is one of the four main nitrogenous bases found in DNA and RNA, along with adenine (A), guanine (G), and thymine (T) or uracil (U). It is a pyrimidine derivative, meaning it has a single-ring …

  5. Cytosine - New World Encyclopedia

    Cytosine is one of the five main nucleobases used in storing and transporting genetic information within a cell in the nucleic acids DNA and RNA. The other four nucleobases are adenine, guanine, thymine, …

  6. What is Cytosine? (with pictures) - AllTheScience

    May 21, 2024 · Cytosine is one of five nitrogenous bases that are attached to a five carbon sugar, pentose, and a phosphate group to make nucleotides. Nucleotides are the units that join together to …

  7. CYTOSINE Definition & Meaning - Merriam-Webster

    The meaning of CYTOSINE is a pyrimidine base C4H5N3O that codes genetic information in the polynucleotide chain of DNA or RNA.

  8. Cytosine: The Building Block of Nucleic Acids

    Jun 9, 2025 · Cytosine is one of the four nucleobases in DNA and RNA, alongside adenine, guanine, and thymine (in DNA) or uracil (in RNA). The sequence of these bases encodes genetic information …

  9. Cytosine - Nutanica

    Cytosine is one of the four nucleobases that make up the genetic material in all known forms of life. Along with adenine, thymine, and guanine in DNA, and uracil in RNA, cytosine helps encode the …

  10. Cytosine - National Human Genome Research Institute

    3 days ago · Cytosine (C) is one of the four nucleotide bases in DNA, with the other three being adenine (A), guanine (G) and thymine (T). Within a double-stranded DNA molecule, cytosine bases on one …