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second messenger |
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second messenger [′sek·ənd ′mes·ən·jər] (cell and molecular biology) Any small molecule or ion that occurs in the cytoplasm of a cell, is generated in response to a hormone binding to a cell-surface receptor, and activates various kinases that regulate the activities of other enzymes. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| He felt that he was restored to consciousness in the right nick of time, for the especial purpose of holding a conference with the second messenger despatched to him through Jacob Marley's intervention. |
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