Chapter 11

Chapter 11 - The final action need not be confined to the...

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Cell Communication Cell surface receptors G-linked proteins Tyrosine kinase receptors Intracellular actions Second messengers Cyclic AMP Calcium ions Lipophilic agents (steroid hormones, others) Amplification
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Calcium can also be a second messenger (and often is)
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Purely to confound a student, many of these systems often work together… And here are yet two more second messengers (DAG is one, too)
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Unformatted text preview: The final action need not be confined to the cytoplasm; it may affect readout of DNA, or may involve other membrane proteins (or even lipids) Regulatory pathways may intersect, branch, or do both. There are many ways in which pathways can branch. Heres another: And thats it! On to chapter 12. Here are a couple of real examples (note that even these dont show all the interactions and factors)...
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This note was uploaded on 04/21/2009 for the course BISC 220L taught by Professor Herrera,mcclure during the Spring '07 term at USC.

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Chapter 11 - The final action need not be confined to the...

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