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Epidermal growth factor is a mitogen,because it stimulates cells to divide.(1)Explain the role of Ras in epidermal growth factor signaling that results in cell division.(2)Design two experiments to prove that Ras is a key player in the EGF-activated pathway.(3)What assay other than cell division could you use to assess whether the EGF-Ras-MAPK pathway has been activated?
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