________________ is a chemical substance that inhibits the effect normally produced by a neurotransmitter at a receptor site.

Related MCQs

• ________________ is the neurotransmitter that inhibits brain activity.
• Which chemical in the following list can act as both a neurotransmitter and a hormone?
• Which neurotransmitter is produced by the neurons located in a region of brain called substantia nigra?
• ________________ is the process by which neurotransmitter molecules detach from a postsynaptic neuron and are reabsorbed by the presynaptic neuron so they can be recycled and used again.
• Prozac works by inhibiting the reuptake of __________________, increasing the availability of this neurotransmitter in the brain.
• _________________ is a neurotransmitter that is involved in the regulation of bodily movements and thought processes.
• -------------provide the receptor surface for taste.
• To complete synaptic transmission, the neurotransmitters attach to receptor molecules embedded in the __________________ .
• The major interior chamber of the eye is filled with a jellylike substance called
• When we apply some taste substance on tounge it leads ------------in the taste hairs;