Questions about Diabetes and Insulin Signaling in short assay 1. What are the essential parts of a signaling pathway? 2. How could activating a transcription factor cause long-term cellular changes? 3. What roles can phosphorylation play in protein function? 4. What is the enzymatic activity of a kinase and of a phosphatase? 5. What determines where a protein kinase or protein phosphatase will perform its enzymatic activity? 6. Why would a signaling pathway need to be regulated? 7. Hypothesize some situations where it would be necessary for signal transduction to happen very rapidly, as happens after the activation of either a kinase cascade or a second-messenger pathway
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