cAMP forming enzymes can be isolated from which part of a cell?
A
Cell wall
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B
Cell membrane
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C
Cytoplasm
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D
Nucleoplasm
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Solution
The correct option is C Cell membrane Cyclic AMP or cAMP is an important second messenger in signal transduction. Enzyme adenylyl cyclase is activated and inhibited by G proteins. Once activated, it carries out cyclization of ATP into cAMP. This enzyme is present in the cell membrane of the cell. The cAMP then activates specific proteins.