The nucleotide component that contains nitrogen is the nitrogenous base (also called the nitrogen-containing base).

Quick Scoop

  • A nucleotide has three main parts:
    • A phosphate group
    • A five-carbon sugar (ribose or deoxyribose)
    • A nitrogenous base
  • Only the nitrogenous base (adenine, guanine, cytosine, thymine, or uracil) contains nitrogen atoms in its ring structure.

So if a question asks “which nucleotide component contains nitrogen?”, the correct answer is: the nitrogenous (nitrogen-containing) base.

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