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About the Cover

Cover Figure


COVER A set of Viewpoints in this issue of Science highlights the signaling pathways that control the cellular life cycle, from undifferentiated stem cells to cell death by apoptosis. These signaling pathways are represented by canonical pathways, as well as pathways specific to rice, Arabidopsis, and humans, in the Connections Maps database at Science's STKE. [Illustration: Chris Bickel]

[Table of Contents]

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Science. ISSN 0036-8075 (print), 1095-9203 (online)