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Biochemistry General befef136

The cyclic AMP is inactivated by the action of which specific enzyme?

A
Phosphodiesterase
B
Phosphate
C
Protein kinase
D
Adenyl cyclase
High-Yield Explanation
cAMP undergoes rapid hydrolysis catalysed by the enzyme phosphodiesterase, to 5'AMP which is inactive. Caffeine and theophylline can inhibit phosphodiesterase and increase the intracellular levels of cAMP.

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