The activation of receptor tyrosine kinases is characterized by Naim 23:46 Cell Communication The activation of receptor tyrosine kinases is characterized by A) dimerization and phosphorylation. B) dimerization and IP3 binding. C) a phosphorylation cascade. D) GTP hydrolysis. E) channel protein shape change. Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+