Oxytocin Stimulates a G Protein-Coupled Signal Transduction Pathway

Multiple Choice

Oxytocin stimulates a G protein-coupled signal transduction pathway.During signal transduction in this pathway, a G protein becomes activated.Which three molecules does G protein interact with in this pathway?

A) Ligand, GDP, and GTP
B) G protein-coupled receptor, ATP, and enzyme
C) Hormone, G protein-linked receptor, and GTP
D) G protein-linked receptor, GTP, and effector protein
E) GTP, cytoplasmic receptor, and transcription factor