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Explore the fundamental principles of cell signaling in this comprehensive lecture from a minicourse on biological physics. Learn how cells communicate through various signaling pathways, including the molecular mechanisms that govern cellular responses to external stimuli. Discover the key components of signal transduction, from receptor proteins to intracellular cascades, and understand how these processes regulate cellular behavior and maintain homeostasis. Examine the mathematical and physical principles underlying cellular communication systems, including signal amplification, noise reduction, and temporal dynamics. Gain insights into how cells process information from their environment and coordinate responses at the molecular level. This foundational class provides essential knowledge for understanding more complex biological systems and serves as an introduction to the quantitative approaches used in modern biological physics research.
