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  1. Nucleotide - Wikipedia

    Nucleotides are organic molecules composed of a nitrogenous base, a pentose sugar and a phosphate. They serve as monomeric units of the nucleic acid polymers – deoxyribonucleic …

  2. Home - Nucleotide - NCBI

    The Nucleotide database is a collection of sequences from several sources, including GenBank, RefSeq, TPA and PDB. Genome, gene and transcript sequence data provide the foundation …

  3. Nucleotide | Description, Types, Function, & Facts | Britannica

    Oct 18, 2025 · A nucleotide is any member of a class of organic compounds in which the molecular structure comprises a nitrogen-containing unit (base) linked to a sugar and a …

  4. Nucleotide Definition, Structure, and Function

    Aug 31, 2023 · What Is a Nucleotide? A nucleotide is an organic molecule that serves as the building block for nucleic acids like DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). …

  5. Nucleotide - National Human Genome Research Institute

    3 days ago · A nucleotide is the basic building block of nucleic acids (RNA and DNA). A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached …

  6. Nucleotide: Structure, Types, and Biological Functions

    Apr 28, 2024 · A nucleotide is a pentose sugar linked to a nitrogenous base and a phosphate molecule. Nucleotides are the building blocks of DNA. Figure: Nucleotide. The nitrogenous …

  7. 3 Parts of a Nucleotide and How They Are Connected - ThoughtCo

    Jun 9, 2025 · A nucleotide has three parts: a nitrogenous base, a pentose sugar, and a phosphate group. The nitrogenous base is attached to the first carbon of the sugar in nucleotides. The …

  8. 13.2: Nucleotides - The Building Blocks of Nucleic Acids

    Describe the makeup of nucleotides that are building blocks of nucleic acids DNA and RNA. Nucleic acids are biopolymers that carry the codes for the synthesis of proteins and pass them …

  9. NUCLEOTIDE Definition & Meaning - Merriam-Webster

    The meaning of NUCLEOTIDE is any of several compounds that consist of a ribose or deoxyribose sugar joined to a purine or pyrimidine base and to a phosphate group and that …

  10. What are Nucleotides? - Creative Proteomics

    Nucleotides are organic molecules that serve as the building blocks of nucleic acids, such as DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). They are composed of three primary …