How does the transmitter nitric oxide mediate its actions in cells?
A) Nitric oxide diffuses across cell membranes and binds to an ionotropic receptor.
B) Nitric oxide diffuses across cell membranes and only stimulates guanylate cyclase to synthesize cGMP.
C) Nitric oxide diffuses across cell membranes and stimulates guanylate cyclase to synthesize cGMP or can s-nitrosylate proteins.
D) Nitric oxide diffuses across cell membranes and only s-nitrosylates proteins.
E) Nitric oxide diffuses across cell membranes and binds to a metabotropic receptor.
Correct Answer:
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Q30: Which of the following neurotransmitters is not
Q31: Anterograde signaling is defined as
A) diffusion around
Q32: Nitric oxide
A) is packaged into synaptic vesicles
Q33: Nitric oxide is a(n)
A) peptide transmitter.
B) amino
Q34: How is nitric oxide synthesized?
A) Nitric oxide
Q36: How is nitric oxide (NO) terminated after
Q37: Why are the physiological effects of Nitric
Q38: What is the concentration of calcium in
Q39: What is a "calcium microdomain"?
A) The calcium
Q40: Ionotropic nicotinic acetylcholine receptors are known to
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