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ATP is the acronym for the nucleotide Adenosine Tri-Phosphate. 

ATP consists of:

ATP is considered to be a major energy currency of the cell. It is used for all reactions in all cells. 

Properties of ATP:

Uses of ATP:

How energy is release from ATP?
A single enzyme known as ATP synthase hydrolyses or breaks the bond between the last and middle phosphate group (shown B on the diagram above). This releases energy in useable amounts, so little energy is wasted as heat.

How is ATP generated?
ATP is easily reformed by phosphorylation when a phosphate group is added to ADP (Adenosine Di-Phosphate) by condensation reaction. However, you do not need to many more on ATP. You will learn more about Chemiosmosis in Year 13. 

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