Like a key in a lock, the shape of the _____ must fit the _____ to affect the postsynaptic neuron.
A) dendrite; axon terminal
B) cell body; axon terminal
C) neurotransmitter; receptor site
D) synaptic vesicle; receptor site

Question

Quizplus · Accepted Answer

The shape of the neurotransmitter molecule must fit the specific receptor site on the postsynaptic neuron to affect it. The other choices are not accurate as the dendrite and cell body receive signals rather than send them, and synaptic vesicles contain neurotransmitters but do not affect the postsynaptic neuron directly.

Like a Key in a Lock, the Shape of the _____