Which Nucleotides Are Purines?

Sarah Jenkins
Sarah Jenkins
• • 6 min read

Purines and Pyrimidines Make up the Two Groups of Nitrogenous Bases, Including the Two Groups of Nucleotide Bases. the Purine Nucleotide Bases Are Guanine (G)...

Which Nucleotides Are Purines?

Purines and pyrimidines make up the two groups of nitrogenous bases, including the two groups of nucleotide bases. The purine nucleotide bases are guanine (G) and adenine (A) which distinguish their corresponding deoxyribonucleotides (deoxyadenosine

deoxyadenosine
Deoxyadenosine is the DNA nucleoside A, which pairs with deoxythymidine (T) in double-stranded DNA. In absence of adenosine deaminase (ADA) it accumulates in T lymphocytes and kills these cells resulting in a genetic disorder known as adenosine deaminase severe combined immunodeficiency disease (ADA-SCID).
› wiki › Deoxyadenosine
and deoxyguanosine) and ribonucleotides (adenosine, guanosine).

Which nucleotides are purines pyrimidines?

Nitrogenous bases present in the DNA can be grouped into two categories: purines (Adenine (A) and Guanine (G)), and pyrimidine (Cytosine (C) and Thymine (T)).

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Which base pairs are purines?

The purines in DNA are adenine and guanine, the same as in RNA. The pyrimidines in DNA are cytosine and thymine; in RNA, they are cytosine and uracil. Purines are larger than pyrimidines because they have a two-ring structure while pyrimidines only have a single ring.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist
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Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.