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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

    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 …

  3. 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). …

  4. Nucleotide - National Human Genome Research Institute

    2 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 …

  5. 28.1: Nucleotides and Nucleic Acids - Chemistry LibreTexts

    Each nucleotide is composed of a nucleoside bonded to a phosphate group, and each nucleoside is composed of an aldopentose sugar linked through its anomeric carbon to the nitrogen atom …

  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. 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. 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 …

  9. Nucleic Acid Structure – Microbial Genetics (Dr.B)

    1 Nucleic Acid Structure Learning Objectives: After completing this chapter, you will be able to: Identify and describe the three components of a nucleotide. Distinguish between the structures …

  10. Nucleotide base - Wikipedia

    Nucleotide bases[1] (also nucleobases, nitrogenous bases) are nitrogen -containing biological compounds that form nucleosides, which, in turn, are components of nucleotides, with all of …