Which of the following is not one of the criteria a substance must meet to be considered a neurotransmitter?
A) The presynaptic cell should contain the proposed substance and have a mechanism for synthesizing it.
B) Vesicles containing the substance move down the axon with the action potentials when the neuron is stimulated.
C) Receptors for the proposed substance should be present on the postsynaptic cell.
D) There is a means for inactivating the substance with an antagonist drug.
Correct Answer:
Verified
Q1: Otto Loewi's experiment with frog hearts was
Q2: Though he could not see it, Sir
Q3: The saclike structures in the presynaptic terminal
Q4: The most common type of synapse in
Q6: If a substance is a neurotransmitter, stimulation
Q7: The classical neurotransmitters do not include
A) acetylcholine.
B)
Q8: If one neuron contains both a neuropeptide
Q9: Which statement about neuropeptides is false?
A) Neuropeptide
Q10: Which statement about synapses is true?
A) Synapses
Q11: Cocaine increases the amount of DA, 5-HT,
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