Question

he serotonin reuptake protein transports the neurotransmitter from outside neurons into neurons. This happens against its concentration gradient, meaning that serotonin is pumped from an area of relatively low concentration to high concentration. The serotonin reuptake protein would therefore be a/an:

-ion channel.

-Carrier protein.

-Receptor.

-Enzyme.

-None of these options.

Answer 1

-Receptor.