Nitrogenous Bases: Purines & Pryimidines

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Last updated 3:17 AM on 9/24/26
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7 Terms

1
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Purines

  • Purines: A & G = Adenine & Guanine. 6 + 5 membered rings. Heterocyclic aromatic compound with a pyrimidine ring fused with an imidazole ring


<ul><li><p><span>Purines: A &amp; G = Adenine &amp; Guanine. 6 + 5 membered rings. Heterocyclic aromatic compound with a pyrimidine ring fused with an imidazole ring</span></p></li></ul><p></p>
2
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Pyrimidines

Pyrimidines: C, T, U = Cytosine, Thymine, Uracil. 6 membered ring. Heterocyclic aromatic compound with a pyrimidine ring, which has nitrogen atoms at the 1 and 3 positions


<p><span>Pyrimidines: C, T, U = Cytosine, Thymine, Uracil. 6 membered ring. Heterocyclic aromatic compound with a pyrimidine ring, which has nitrogen atoms at the 1 and 3 positions</span></p><p></p>
3
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Adenine

Purine: nitrogenous base. 6 + 5 membered rings

Heterocyclic aromatic compound with a pyrimidine ring fused with an imidazole ring

<p>Purine: nitrogenous base. <span>6 + 5 membered rings</span></p><p><span>Heterocyclic aromatic compound with a pyrimidine ring fused with an imidazole ring</span></p>
4
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Guanine

Purine: 6 + 5 membered rings

Heterocyclic aromatic compound with a pyrimidine ring fused with an imidazole ring

<p>Purine: <span>6 + 5 membered rings</span></p><p><span>Heterocyclic aromatic compound with a pyrimidine ring fused with an imidazole ring</span></p>
5
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Cytosine

Pyrimidine: 6 membered ring

Heterocyclic aromatic compound with a pyrimidine ring, which has nitrogen atoms at the 1 and 3 positions

<p>Pyrimidine: <span>6 membered ring</span></p><p><span>Heterocyclic aromatic compound with a pyrimidine ring, which has nitrogen atoms at the 1 and 3 positions</span></p>
6
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Uracil

Pyrimidine: 6 membered ring

Heterocyclic aromatic compound with a pyrimidine ring, which has nitrogen atoms at the 1 and 3 positions

<p>Pyrimidine: <span>6 membered ring</span></p><p><span>Heterocyclic aromatic compound with a pyrimidine ring, which has nitrogen atoms at the 1 and 3 positions</span></p>
7
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Thymine

Pyrimidine: 6 membered ring

Heterocyclic aromatic compound with a pyrimidine ring, which has nitrogen atoms at the 1 and 3 positions

<p>Pyrimidine: <span>6 membered ring</span></p><p><span>Heterocyclic aromatic compound with a pyrimidine ring, which has nitrogen atoms at the 1 and 3 positions</span></p>