True/False
Serotonin is derived from the amino acid tryptophan and is an important neurotransmitter.
Correct Answer:

Verified
Correct Answer:
Verified
Q7: During an action potential<br>A)Na<sup>+</sup> efflux causes depolarization.<br>B)K<sup>+</sup>
Q8: The myelin sheaths of PNS neurons are
Q9: Acetylcholine<br>A)is always an excitatory neurotransmitter.<br>B)can bind to
Q10: Which of the following is NOT true
Q11: The membrane of resting nerve cells is
Q13: Which of the following are natural analgesics?<br>A)endorphins<br>B)enkephalins<br>C)dynorphins<br>D)All
Q14: Anterograde transport uses dynein molecular motor proteins.
Q15: The blood-brain barrier prevents hydrophobic molecules from
Q16: Botulism toxin prevents release of ACh,causing<br>A)flaccid paralysis.<br>B)hemiplegia.<br>C)spastic
Q17: Neurotransmitters<br>A)are released by endocytosis.<br>B)all bind to the