The molecules found in both ATP and ADP are adenine, ribose, and phosphate groups.
ATP or adenosine triphosphate is composed of one adenine molecule, a ribose sugar and three phosphate groups. Its chemical formula is C
10H
16N
5O
13P
3.
ADP or adenosine diphosphate is composed of one adenine molecule, a ribose sugar and two phosphate groups. Its chemical formula is C
10H
15N
5O
10P
2.