Different tRNA molecules that bind the same amino acid are called __ tRNA molecules.

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#Question id: 1180

#Unit 4. Cell Communication and Cell Signaling

In which of the following double-mutant flies will R7 photoreceptors develop normally?

TLS Online TPP Program

#Question id: 1181

#Unit 4. Cell Communication and Cell Signaling

Serum response factor (SRF) is phosphorylated by:

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#Question id: 1182

#Unit 4. Cell Communication and Cell Signaling

Transcriptional activation downstream of the MAPK pathway involves:

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#Question id: 1183

#Unit 4. Cell Communication and Cell Signaling

Before ligand binding, receptor tyrosine kinases:

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#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:

TLS Online TPP Program

#Question id: 1185

#Unit 4. Cell Communication and Cell Signaling

How can multiple MAP kinase pathways be segregated when they share a common component, like a downstream kinase?