In the lock-and-key analogy for neurotransmitters, the lock refers to the ________, whereas the key refers to the ________.

Question

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The lock-and-key analogy for neurotransmitters describes the interaction between neurotransmitters and their receptors. In this analogy, the "lock" refers to the dendrite receptors that receive the neurotransmitter signal, and the "key" refers to the shape of the neurotransmitter that fits into these receptors, allowing for the transmission of the signal.

In the Lock-And-Key Analogy for Neurotransmitters, the Lock Refers to the ________