What are the different ways cells can communicate with one another? How do hormones know which cells to target? And why are GPCRs so ubiquitous in humans? This episode dives deep into the components of signal transduction, transmembrane and intracellular receptors, second messengers, and regulation of signaling. Cell signaling is probably the most important topic in biology, so make sure you know this section fluently by listening to this episode!

The Campbell Biology Textbook (11th Edition) is referenced and advised for listeners.

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