The Figure Above Represents A Generalized Hormone-Signaling Pathway

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The Figure Above Represents A Generalized Hormone-Signaling Pathway

. Briefly explain the role of each numbered step in regulating target gene expression. (2013 Q8)
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In step one, the ligand binds to the receptor protein, causing it to change shape and trigger signaling In step two, an intracellular cascade occurs that amplifies the signal from the plasma membrane to the nucleus In step three the signal stimulates or represses the transcription of genes

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