Electrical Stimulation of Leech Retzius Neurons Leads to

question 21

Multiple Choice

Electrical stimulation of leech Retzius neurons leads to

• A) exocytosis, but only with low frequency stimulation (e.g., 1 Hz).
• B) transport of vesicles to the plasma membrane, but only with high-frequency stimulation (e.g., 20 Hz).
• C) exocytosis that is independent of the frequency of stimulation.
• D) opening of calcium channels, but only with low frequency stimulation (e.g., 1 Hz).
• E) inactivation of calcium channels that is independent of the frequency of stimulation.

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