Purine is a type of organic compound that consists of a two-ring nitrogenous base and plays a crucial role in the structure of DNA and RNA. It is one of the building blocks for nucleotides, which are the units forming DNA and RNA.
Related terms
Nucleotide: A molecule made up of a sugar, a phosphate group, and a nitrogenous base (which can be either a purine or pyrimidine), forming the basic structural unit of nucleic acids like DNA and RNA.