BILL CHECK 2013 FRQ Q8 http://apcentral.collegeboard.com/apc/members/exam/exam_information/1996.html.

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BILL CHECK 2013 FRQ Q8 http://apcentral.collegeboard.com/apc/members/exam/exam_information/1996.html

The figure above represents a generalized hormone-signaling pathway The figure above represents a generalized hormone-signaling pathway. Briefly EXPLAIN the role of each numbered step in regulating target gene expression.

1 POINT EACH Step 1 = hormone/ligand binding to receptor to initiate/trigger/induce signaling OR signal reception Step 2 = an intracellular cascade that transduces/amplifies/transfers the signal from plasma membrane to nucleus (or other cellular effectors) Step 3 = transcription/expression of target genes is stimulated/repressed

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