hormone that stimulates growth binds a receptor tyrosine kinase in the membrane of its Question 8 A target cells opts)
Why does the hormone require a receptor to work properly? Focus on the cell membrane in vour answer (1-2 sentences)
b. (opts) Explain why a receptor tyrosine kinase contains both a kinase domain and a SH2 domain (2-3 sentences)
c. (7pts) A mutation discovered in this process leads to the Sos protein having a much lower affinity for binding Ras. Explain the effect this would have on the signaling process and protein transcription. Predict the effect of this mutation on organismal growth (5-7 sentences)
