Derek has been asked to hand-deliver a message to Adeline. Adeline lives across the river from Derek, and there is no bridge. Therefore, Derek must take a boat across the channel to deliver the message. If we compare Derek's actions to those that occur in neurons, we can say that Derek, the person who carries the message across the channel, is like a
A) vesicle.
B) neurotransmitter.
C) synapse.
D) receptor site.

Question

Quizplus · Accepted Answer

Derek is like a neurotransmitter because he carries the message across the channel, similar to how neurotransmitters carry signals across the synaptic cleft in neurons.

Derek Has Been Asked to Hand-Deliver a Message to Adeline