Starting from the situation below, explain the next immediate steps that occur after the agonist ligand binds to the GPCR. Describe what happens in terms of the GTP and the heterotrimeric G protein structure. mw www Ligand B GTP Copyright ©2009 Pearson Education, Inc. GDP

Starting from the situation below, explain the next immediate steps that occur after the agonist ligand binds to the GPCR. Describe what happens in terms of the GTP and the heterotrimeric G protein structure. mw www Ligand B GTP Copyright ©2009 Pearson Education, Inc. GDP

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter9: Cell Communication

Section9.4: Signaling Pathways Triggered By Internal Receptors

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Concept explainers

Cell Signaling

It allows cells to perform various cellular activities, coordinate, and interact with other cells. All cells of an organism receive signals from their environments and respond accordingly. Even the unicellular eukaryotes receive signals secreted by other cells and respond. In the case of yeast, mating takes place by signaling between the yeast cells. Communication by cell signaling in a multicellular organism has become a vast and important part of various fields of biology.

Question

Starting from the situation below, explain the next immediate steps that occur after the agonist ligand
binds to the GPCR. Describe what happens in terms of the GTP and the heterotrimeric G protein
structure.
www
www
Ligand
α
В
GTP
ZAN
Y
Copyright ©2009 Pearson Education, Inc.
GDP

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