Which out of the following is not involved in signal transduction by ‚âà√≠‚Äö√¢¬ß-adrenergic receptor pathway?$

Which out of the following is not involved in signal transduction by �

1.	Which out of the following is not involved in signal transduction by ‚âà√≠‚Äö√¢¬ß-adrenergic receptor pathway?$
A.	GTP
B.	ATP
C.	cAMP
D.	cGMP
Answer» D. cGMP