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Guanine

A chemical compound that is used to make one of the building blocks of DNA and RNA. It is a type of purine.

PubMed Health Glossary
(Source: NIH - National Cancer Institute)

Terms to know

Deoxyribonucleic Acid (DNA)
The molecular basis of heredity; encodes the genetic information responsible for the development and function...
Ribonucleic Acid (RNA)
One of two types of nucleic acid made by cells. Ribonucleic acid contains information that has been copied...

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