Honors Biology
Signal transduction is the process by which a cell responds to external signals through a series of molecular events, ultimately leading to a specific cellular response. This process often involves the conversion of an extracellular signal, such as a hormone or neurotransmitter, into an intracellular action that can modify gene expression, metabolism, or cell behavior. Understanding signal transduction is crucial for grasping how gene regulation operates in both prokaryotic and eukaryotic organisms, as it links environmental cues to cellular functions.
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