The image of a key fitting into a lock is useful in understanding how:
A) two nerve cells physically touch each other at each end.
B) neurotransmitters bind to receptor molecules.
C) ion channels open and close.
D) synaptic vesicles are opened by an action potential.

Question

Quizplus · Accepted Answer

The image of a key fitting into a lock can be used to explain the process of neurotransmitters binding to receptor molecules, where the neurotransmitter (key) fits precisely into the receptor (lock) on the postsynaptic neuron, resulting in the opening of ion channels and the transmission of the neural signal. The other options do not directly relate to this analogy.

The Image of a Key Fitting into a Lock Is