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G Linked Receptors
(Continued…….)
Serine/Threonine Protein Phosphatases Rapidly Reverse the Effects of A-Kinase
To Use Ca2+ as an Intracellular Signal, Cells Must Keep Resting Cytosolic Ca2+ Levels Low
Ca2+ Functions as a Ubiquitous Intracellular Messenger
Some G-Protein-linked Receptors Activate the Inositol Phospholipid Signaling Pathway by Activating
Phospholipase C-b
Inositol Trisphosphate (IP3) Couples Receptor Activation to Ca2+ Release from the ER
Diacylglycerol Activates Protein Kinase C (C-Kinase)
Calmodulin Is a Ubiquitous Intracellular Ca2+ Receptor
Ca2+/Calmodulin-dependent Protein Kinases (CaM-Kinases) Mediate Most of the Actions of
Ca2+ in Animal Cells
How do the Cyclic AMP and Ca2+ Pathways Interact?????
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