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Schematic diagram showing the DNA molecule which is made up of nitrogenous bases.

nitrogenous base

(genetic biology)

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  • Grammar: noun phrase
    plural:
    nitrogenous bases
  • Definition: an organic molecule that contains nitrogen, i.e. one of the molecular building blocks of DNA
  • Example:
    There are four nitrogenous bases in DNA, i.e. adenine (A), guanine (G), thymine (T), and cytosine (C).


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