About 133,000 results
Open links in new tab
  1. Cytosine - Wikipedia

    Cytosine can be found as part of DNA, as part of RNA, or as a part of a nucleotide. As cytidine triphosphate (CTP), it can act as a co-factor to enzymes, and can transfer a phosphate to …

  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 …

  3. Cytosine - National Human Genome Research Institute

    1 day 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 …

  4. 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, …

  5. Cytosine: Structure, Functions & Importance in DNA | Chemistry

    Cytosine is one of the five primary nucleobases that form the building blocks of nucleic acids like DNA and RNA. Structurally, it is a pyrimidine derivative, meaning it has a single heterocyclic …

  6. Definition of cytosine - NCI Dictionary of Cancer Terms

    cytosine (SY-toh-seen) A chemical compound that is used to make one of the building blocks of DNA and RNA. It is a type of pyrimidine.

  7. Structural Biochemistry/Nucleic Acid/Nitrogenous Bases/Purines/Cytosine

    Nov 8, 2018 · Cytosine is part of the pyrimidine family, and it is one of the 5 nucleotide bases found in both DNA and RNA. The molecular formula of cytosine is C 4 H 5 N 3 O. Cytosine …

  8. 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.

  9. Cytosine in DNA and RNA: Functions, Modifications, and

    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 …

  10. Cytosine - Wikiwand

    Cytosine is one of the four nucleotide bases found in DNA and RNA, along with adenine, guanine, and thymine. It is a pyrimidine derivative, with a heterocyclic ...