Arrange the Events in the Pathway Activated by G-Protein-Coupled Receptors

question 82

Multiple Choice

Arrange the events in the pathway activated by G-protein-coupled receptors (GPCRs) in the correct order.
Activation of effector
Activation of protein kinases
Receptor binds first messenger
Production of second messenger
Activation of G protein

• A) 1→3→5→2→4
• B) 2→3→5→4→1
• C) 3→1→5→4→2
• D) 3→5→1→4→2
• E) 3→5→2→4→1

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