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nucleotide

[ noo-klee-uh-tahyd, nyoo- ]

noun

, Biochemistry.
  1. 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.


nucleotide

/ ˈnjuːklɪəˌtaɪd /

noun

  1. biochem a compound consisting of a nucleoside linked to phosphoric acid. Nucleic acids are made up of long chains (polynucleotides) of such compounds
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


nucleotide

/ no̅o̅klē-ə-tīd′ /

  1. Any of a group of organic compounds composed of a nucleoside linked to a phosphate group. Nucleotides are the basic building blocks of nucleic acids.


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Other Words From

  • inter·nucle·o·tide adjective
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Word History and Origins

Origin of nucleotide1

First recorded in 1905–10; alteration of nucleoside
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Word History and Origins

Origin of nucleotide1

C20: from nucleo- + t (added for ease of pronunciation) + -ide
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Compare Meanings

How does nucleotide compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

The team can retrieve specific files by adding complementary nucleotide sequences, or primers, corresponding to an individual file’s label.

Each strand of DNA includes an identifying sequence that matches a short sequence of nucleotides called a PCR primer.

In the study, the team manipulated the PCSK9 gene by changing a single nucleotide from A to G at a specific location.

Each strand acts as a template for a new molecule, built by matching the nucleotides on one strand with new nucleotides.

The information-carry subunits of the molecules are known as nucleotides.

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