The addition or removal of phosphate groups from ATP is a fully reversible reaction, and the way this reversibility facilitates the use of ATP as a coupling agent for cellular reactions. Introduction: There are two types of reactions in all cells, anabolic and catabolic: Anabolic reaction (formation of large complex from simple ones) is an endergonic reaction with positive ∆G (change in free energy), which requires energy to form a big complex. This energy is provided by ATP (adenosine try phosphate), which is formed in the cell during catabolic reaction (break down of a complex molecule to form new small molecules). The exergonic reactions with negative ∆G release energy and this energy is stored in the form of ATP in the cell.

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Chapter 6, Problem 14TYK

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The addition or removal of phosphate groups from ATP is a fully reversible reaction, and the way this reversibility facilitates the use of ATP as a coupling agent for cellular reactions.

Introduction:

There are two types of reactions in all cells, anabolic and catabolic: Anabolic reaction (formation of large complex from simple ones) is an endergonic reaction with positive ∆G (change in free energy), which requires energy to form a big complex. This energy is provided by ATP (adenosine try phosphate), which is formed in the cell during catabolic reaction (break down of a complex molecule to form new small molecules). The exergonic reactions with negative ∆G release energy and this energy is stored in the form of ATP in the cell.

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