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Nucleotides are organic molecules that serve as the monomers, or subunits, of nucleic acids like DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).

Nucleotides - Kimball's Biology Pages


Nucleotides. Nucleic acids are linear, unbranched polymers of nucleotides. Nucleotides consist of three parts: 1. A five-carbon sugar (hence a pentose).

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 ...



Nucleotides have a number of roles. Most notably they are the monomers for nucleic acid polymers. Nucleoside triphosphates, like ATP and GTP, are energy ...

Nucleotides and Bases - Genetics Generation


Nucleotides and Bases. Nucleotide Structure Courtesy of the National Human Genome Research Institute. Nucleotides. A nucleotide is the basic structural unit  ...

Nucleotide | Define Nucleotide at Dictionary.com


Nucleotide definition, any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the ...

Nucleotides in DNA | Science Primer


Some of the most fundamental properties of DNA emerge from the characteristics of its four basic building blocks, called nucleotides. Knowing the composition of ...

Closer Look: Nucleotide Chemical Structure - Pearson - The Biology ...


The three parts of the nucleotide building block of DNA are the sugar, the base and the phosphate. The complex of the sugar with the base is called a nucleoside ...

Nucleotides - HyperPhysics


Nucleotides. Nucleotides are the basic structural units of nucleic acids, which control the production of proteins in living organisms. The nucleotides are made up ...

Nucleotide Metabolism: Nucleic Acid Synthesis


The nucleotide metabolism page discusses the biosynthesis and degradation of the nucleic acids as well as descriptions of diseases caused by defects in their ...

[noo-klee-uh-tahyd, nyoo-]
any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanine, and thymine, and a pentose sugar, in RNA the thymine base being replaced by uracil.
Source: Dictionary.com
nucleotide | Define nucleotide at Dictionary.com
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