Which of the following statements about receptor tyrosine kinase signaling and cytokine signaling is FALSE? A. Both activate a tyrosine kinase that phosphorylates down-stream targets B. The receptor is phosphorylated on multiple tyrosine residues upon activation C. Phosphotyrosine phosphatases are the primary method of down-regulation of both signaling types D. Dimerization of both receptor types is required for kinase activation
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Both activate a tyrosine kinase that phosphorylates down-stream targets: This statement is TRUE. Receptor tyrosine kinases (RTKs) and cytokine receptors both activate a tyrosine kinase that phosphorylates downstream targets. B. The receptor is phosphorylated on Show more…
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