a colorless crystalline nitrogen-containing organic base; the parent compound of various biologically important substances
A nitrogen-containing, single- ring, basic compound that occurs in nucleic acids The purines in DNA and RNA are adenine and guanine
嘌呤, A nitrogen- containing, single- ring, basic compound that occurs in nucleic acids The purines in DNA and RNA are adenine and guanine
A basic cylic compound that contains nitrogen and occurs in nucleic acids The purines in DNA and RNA are adenine and guanine
A nitrogen-containing, double-ring, basic compound that occurs in nucleic acids The purines in DNA and RNA are adenine and guanine Source : Human Genome Project Information
A nitrogen-containing, double-ring, basic compound that occurs in nucleic acids The purines in DNA and RNA are adenine and guanine See also: base pair
a colorless crystalline nitrogen-containing organic base; the parent compound of various biologically important substances any of several bases that are derivatives of purine
A nitrogen-containing, single-ring, basic compound that occurs in nucleotides of DNA and RNA The purines in DNA and RNA are adenine and guanine
nitrogen base made up of a five and a six membered rings, two types: Adenine [A] and Guanine [G]
Any of a class of heterocyclic compounds with a two-ring structure composed of carbon and nitrogen atoms. The simplest member, purine itself (C5H4N4), is not common, but its derivatives with the structure are. Examples are uric acid, caffeine, and two of the nucleotides in nucleic acids, guanine and adenine