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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 - National Human Genome Research Institute

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

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

    Dec 11, 2025 · DNA is made of nucleotides. A nucleotide has two components: a backbone, made from the sugar deoxyribose and phosphate groups, and nitrogenous bases, known as …

  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. 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 …

  7. 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 …

  8. Chapter 5. Nucleotides & Nucleic Acids – Introduction to …

    The nucleotides combine with each other to form a nucleic acid, DNA or RNA. Each nucleotide is made up of three components: a nitrogenous base, a pentose (five-carbon) sugar, and a …

  9. 9.1: Nucleotides - Chemistry LibreTexts

    Nucleic acids are molecules that store and replicate information for cellular growth and reproduction. The two types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic …

  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 …