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Cell Communication Webquest
Q 1. What characteristics of the epinephrine ligand prevent it from passing through the cell membrane?2.Describe the function of the G-Protein3.What molecule activates the G-protein?
1. Adrenaline has four functional groups and a much smaller carbon skeleton . The polar functional groups dominate in determining the characteristic of the molecule making it polar so this makes the epinephrine unable to pass through the cell membrane . 2.G-proteins is also known as guanine – binding proteins and acts as a molecular switches inside cells and these regulates the metabolic enzymes , transporter proteins and other ions channels . G proteins helps in other diverse systemic functions .3.Receptor tyrosine kinases activates the G- proteins.