The difference between Cytosine and Pyrimidine

When used as nouns, cytosine means a heterocyclic base, 4-aminopyrimidin-2(1h)-one, which pairs with guanine in dna and rna (by means of three hydrogen bonds), whereas pyrimidine means a diazine in which the two nitrogen atoms are in the meta- positions.


check bellow for the other definitions of Cytosine and Pyrimidine

  1. Cytosine as a noun (biochemistry):

    A heterocyclic base, 4-aminopyrimidin-2(1H)-one, which pairs with guanine in DNA and RNA (by means of three hydrogen bonds).

  1. Pyrimidine as a noun (organic compound):

    A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA: thymine, uracil and cytosine

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