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

    Dec 11, 2025 · Each strand of a DNA molecule is composed of a long chain of monomer nucleotides. The nucleotides of DNA consist of a deoxyribose sugar molecule to which is …

  3. Nucleotide - National Human Genome Research Institute

    2 days ago · A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides.

  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: Structure, Types, and Biological Functions

    Apr 28, 2024 · Explore nucleotides—the building blocks of DNA and RNA. Learn about their structure, types, and essential roles in genetic information storage and cellular processes.

  6. Definition of nucleotide - NCI Dictionary of Genetics Terms

    DNA is made up of four building blocks called nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C). The nucleotides attach to each other (A with T, and G with C) to form …

  7. 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 …

  8. DNA Basics: Nucleotides, Genes, and the Genome - Federal …

    DNA itself is made up of four chemical building blocks, referred to as nucleotide bases (Fig. 1). The bases are adenine, thymine, guanine, and cytosine—abbreviated A, T, G, and C.

  9. 19.1: Nucleotides - Chemistry LibreTexts

    The repeating, or monomer, units that are linked together to form nucleic acids are known as nucleotides. The deoxyribonucleic acid (DNA) of a typical mammalian cell contains about 3 × …

  10. Nucleotide Structure and Function in Genetics - Biology Insights

    Apr 29, 2025 · Nucleotides are the building blocks of genetic material, essential for the storage and transmission of genetic information. Beyond their structural role, they are involved in …