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A heterocyclic aromatic organic compound, its derivatives include guanine and adenine.
purine, nitrogen-containing organic compound, heterocyclic compound, heteroatom, purine skeleton, guanine, adenine, DNA, nucleic acid, nucleotide, RNA, base pair, caffeine, theophylline, uric acid, pyrimidine, imidazole, organic chemistry, chemistry, biology, biochemistry
Molar mass: 120.11 g/mol
Melting point: 216 °C
Purine consists of an imidazole ring fused to a pyrimidine ring. As a result, it shows their characteristics. The molecule contains three basic nitrogen atoms. Purine is a colourless, crystallised substance, it dissolves in water with a neutral pH but does not dissolve in alcohol, ether or chloroform. It forms salts with acids and bases.
Purine does not occur in nature in free form, but its derivatives are important. Caffeine, theophyline, uric acid and certain nucleobases are purine derivatives. Nucleic acids and other nucleotide compounds are made up of organic bases containing nitrogen. Adenine and guanine are derivatives of purine. Purine is manufactured by heating formamide under appropriate conditions or it is synthesised from 4,5 diaminopyrimidine.
ATP is the main source of energy for cells.
Carrier of genetic information in cells.
NAD⁺ is a coenzyme that plays an important role mainly in catabolic processes, while NADP is important in anabolic processes as hydrogen carriers.
Eukaryotic cells with nuclei measuring only a few micrometres may contain nearly 2 metres of DNA, coiled multiple times.
A polynucleotid made up of phosphoric acid, ribose, and nucleobases (cytosine, uracil, adenine and guanine).
A component of DNA, it contains one less hydroxyl group than β-D-ribose.
Tardigrades can survive in extreme environments, they can even stay alive in outer space.
A crystalline compound found in nucleic acids, coenzymes, nucleotides and nucleosides.
An acyl-carrier coenzyme taking part in both anabolic and catabolic processes.
A biologically and practically important organic compound.
A heterocyclic organic compound, its derivatives are thymine, cytosine and uracil.
A heterocyclic organic compound.
One of the 20 amino acids that make up proteins. It contains an aromatic ring as part of its side chain.
An exercise about the groups and structure of organic nitrogen compounds.