Ch 15 Bio - Chapter 15 Cell Signaling and Communication...

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Chapt er 15, page 1 Chapter 15 Cell Signaling and Communication caffeine adenosine adenosine drowsiness epinephrine heart beat increases liver releases glucose caffeine caffeine
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Chapt er 15, page 2
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Chapt er 15, page 3 Recept ors: 1. Prot ein Kinase Recept or (Membrane)
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Chapt er 15, page 4 Recept ors:2. G Prot ein Linked Membrane Recept or
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Chapt er 15, page 5 Recept ors:3. Cyt oplasmic (Nuclear) Recept ors
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Chapt er 15, page 6 Second messengers: 1 Cyclic AMP
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Chapt er 15, page 7 2 IP 3 + DAG Second messengers: PIP 2 IP 3 DAG
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Chapt er 15, page 8 3 Nit ric Oxide (NO) Second messengers:
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Chapt er 15, page 9 Second messengers: 4 Ca 2+ ions [ ext racellular Ca 2+ ] [ “free” Ca 2+ ]
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Chapt er 15, page 10
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Chapt er 15, page 11 Chapter 15 Key Words Calmodulin cAMP (cyclic AMP) cGMP (cyclic guanosine monophosphate) Diacylglycerol (DAG) G protein Gap junction Inositol triphosphate (IP3) Ion channel Ligand (lig´ and) Nitric oxide (NO) Paracrine Plasmodesma Receptor Second messenger Signal transduction pathway
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Chapt er 15, page 12 Chapt er 15 Highlights: I. Signals A. Cells receive signals from the physical environment and from other cells B. A signal transduction pathway involves a signal, a receptor, transduction, and
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Ch 15 Bio - Chapter 15 Cell Signaling and Communication...

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