Extracellular Signaling

SOURCE: Lodish, et al., Molecular Cell Biology, Fifth Edition, available from Macmillan Learning. Animation © 2004 W. H. Freeman & Co. and Sumanas, Inc.
KEYWORDS: Extracellular signaling, epinephrine, adrenal gland, beta adrenergic receptor, G proteins, CREB, cAMP-response elements, CRE