Nitrogenous base

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noun, plural: nitrogenous bases

(biochemistry) Nitrogen-bearing compound with chemical properties of a base


Nitrogenous bases are one of the fundamental components of nucleic acids, such as DNA. They may also form nucleosides wherein the nitrogenous base is attached to a sugar.

Nitrogenous bases are of two major types: purines and pyrimidines.

Also called:

  • nitrogen base