purina
1. A colorless crystalline compound that is a parent substance of uric acid and forms various other important biological compounds; one of the two types of nitrogenous bases found in nucleic acids
Purines are essential components of DNA and RNA molecules.
As purinas são componentes essenciais das moléculas de DNA e RNA.
2. Any of a group of alkaline compounds derived from purine, including adenine and guanine found in nucleic acids
The purine adenine pairs with thymine in DNA.
A purina adenina se emparelha com a timina no DNA.
Purine is a highly specialized scientific term used primarily in biochemistry, molecular biology, and medical education contexts. The term is identical in both Brazilian and European Portuguese scientific vocabulary. It has no colloquial usage and appears exclusively in academic and professional medical/scientific literature.
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