Cell Signaling Problem Set
Problem 5: Bacterial Cell Signaling
E.coli respond to increased solute concentrations by phosphorylation of the membrane receptor _______________, which transfers a phosphate to the subcellular second messenger ______________ that initiates transcription of the ___________ gene producing a protein that can prevent solute entry and preserve the osmotic integrity of the cell.
The Biology Project
Department of Biochemistry and Molecular Biophysics
University of Arizona
Revised: August 2004
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