#Question id: 1179
#Unit 4. Cell Communication and Cell Signaling
Ras is a(n):
#Question id: 1180
#Unit 4. Cell Communication and Cell Signaling
In which of the following double-mutant flies will R7 photoreceptors develop normally?
#Question id: 1181
#Unit 4. Cell Communication and Cell Signaling
Serum response factor (SRF) is phosphorylated by:
#Question id: 1182
#Unit 4. Cell Communication and Cell Signaling
Transcriptional activation downstream of the MAPK pathway involves:
#Question id: 1183
#Unit 4. Cell Communication and Cell Signaling
Before ligand binding, receptor tyrosine kinases:
#Question id: 1184
#Unit 4. Cell Communication and Cell Signaling
The order of events in a signaling pathway can be determined by the analysis of mutants. Cells that express a mutant defective Raf protein cannot be stimulated to proliferate uncontrollably by constitutively active RasD (dominant active). This indicates: