The diagram below illustrates the cyclic formation and breakdown of the molecule adenosine triphosphate (ATP). What happens when the chemical bond that attaches the third phosphate group to the molecule is broken?



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Energy is lost to the cell and is transferred as heat


A molecule of adenosine monophosphate (AMP) is formed


Energy is stored in the third phosphate group


Energy is released which is available for cellular activities

Energy is released which is available for cellular activities.