In the regulation of molecular switches, protein kinases and guanine nucleotide exchange factors (GEFs) always turn proteins

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In the regulation of molecular switches, protein kinases and guanine nucleotide exchange factors (GEFs) always turn proteins on, whereas protein phosphatases and GTPase-activating proteins (GAPs) always turn proteins off.


Is the statement true? Explain why or why not.

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Molecular Biology Of The Cell

ISBN: 9780815344322

6th Edition

Authors: Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter

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