purine

Double-ringed nucleobase type

Purine is one of two types of nitrogenous bases that form the building blocks of DNA and RNA, the other being pyrimidines.

Adenine and guanine are the two purines found in nucleic acids, distinguished by their double-ring molecular structure.

In metabolism, purines are broken down into uric acid, and elevated levels can cause gout.

The term also applies to the parent compound from which these bases derive their structure.

caffeine

caffeine

Methylxanthine stimulant compound

tea · chocolate · guarana · mate · stimulant · energy · alertness · cola

genetics

DNA

Hereditary code molecule

  • RNAGene expression molecule
  • chromosomeDNA strand carrying genes
  • genomeOrganism's total hereditary material

gene · replication · transcription · codon · sequence · polymerase · mutation · heredity · nucleus

metabolism

gout

Crystal-induced joint inflammation

degradation · excretion · biosynthesis · allopurinol

nucleotide

pyrimidine

Heterocyclic aromatic nitrogen compound

phosphate · ribose · deoxyribose

dietary

anchovies

Small, oily, cured fish

  • sardinesSmall canned herring relatives
  • shellfishAquatic creatures with exoskeletons
  • liverAbdominal detoxifying organ

kidney · sweetbreads · legumes · spinach · asparagus · mushrooms · beer · yeast

Categories
Opposites
nitrogenous base structure

purinepyrimidine

Heterocyclic aromatic nitrogen compound

cytosine · thymine · uracil

Family

guanine, adenine, adenosine, uric acid

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Used worldwide · Timeless · Rated G