endergonic
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∙ 12y agoExergonic reaction
It is a hydrolysis reaction.
ATP is converted to ADP when it is used for energy. This can happen during many activities of the cell including replication or transcription of DNA or for "pumping" molecules in and out of the cell against the ion gradient through channels in the bilipid layer.
Exothermic - big time.
ADP is exactly the same as ATP except that ATP has one more phosphate group. (ATP=Adenosine Triphosphate, ADP=Adenosine Diphosphate) This means that adding a phosphate group to ADP would make it ATP simply by definition.
Chemical, in respiration.
It is a Hydrolysis reaction.
hydrolysis
When ADP is phosphorylated by a kinase or phosphatase enzyme, it becomes ATP.
20 ions are broken down
ADP can form ATP again by bonding with another phosphate. This process creates a renewable cycle of ATP formation and breakdown