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Describe the link between the EGF receptor and Ras During embryonic development, the ability of undifferentiated cells to bec

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ans 1: RAS is a 170 amino acid residue protein. it has GTPase activity and are involved in transmoitting signals when ligand are bound to receptor. when EGF bind to EGFR the RAS transmits the signal within the cell.

ans 2: intially after the fertilization the cells are autonomous cells , they can diffrentiated into any kind of cells but after some divisions it will be determinded to the particular differentiated cells. when the removal of cells from the determined cells has occurred then must be some organs would be missing.

ans 3: no effect because cells are undetermined.

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