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nucleotide
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nucleotide
The Columbia Encyclopedia, Sixth Edition
nucleotide , organic substance that serves as a monomer in forming nucleic acids . Nucleotides consist of either a purine or a pyrimidine base, a ribose or deoxyribose, and a phosphate group. Adenosine triphosphate serves as the principle energy carrier for the cell's reactions. The most important nucleotides are those derived from the bases adenine , guanine , cytosine , thymine , and uracil .
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The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press
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Nucleotides
Nucleotides Nucelotides are the repeating building blocks of nucleic acids (which are polynucleotides or polymers of nucleotides). A nucleotide is made up of a heterocyclic base (a purine or pyrimidine), a cyclic sugar unit (ribose or deoxyribose), and...
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Nucleotide
Nucleotide Nucleotides are the building blocks of deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Individual nucleotide monomers (single units) are linked together to form polymers, or long...
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nucleotide
...nucleic acids, the phosphate of one nucleotide joins to the sugar of the next to form the backbone. Important nucleotides that are not part of nucleic acids include...breakdown), and certain coenzymes . nucleotide nucleotide nucleotide
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nucleotide
nucleotide •peptide • eventide • Whitsuntide •springtide • riptide • Shrovetide •Yuletide • noontide • nucleotide
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nucleotide diversity
nucleotide diversity A measure of polymorphism , expressed as the mean number of nucleotide substitutions per site between any two randomly selected DNA sequences in a population.
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