what type of substance is adenosine?
Top 10 facts about the world. Adenosine triphosphate (ATP) is a nucleotide, a type of molecule that makes up deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), the building blocks of genetic material.When it is not part of an RNA or DNA molecule, ATP serves to transport chemical energy within cells for various metabolic purposes.his substance consists of adenosine, made of the nucleobase adenine and an attached ribose sugar, and three phosphates, the alpha, beta, and gamma phosphates.