Multiple Choice
Voltage -gated calcium channels in the axon terminal open in response to which of the following?
A) summation of graded potentials at the axon hillock
B) paracrines released from the post -synaptic cell
C) initiation of an action potential in the axon hillock
D) neurotransmitter binding to receptor
E) arrival of an action potential at the axon terminal
Correct Answer:
Verified
Correct Answer:
Verified
Q21: Excitatory postsynaptic potentials can occur as either
Q22: When voltage -dependent calcium channels open, calcium
Q23: The action of any chemical messenger ultimately
Q24: Which enzyme catalyzes the synthesis of acetylcholine?<br>A)
Q25: Most neurotransmitters are synthesized in the cytosol
Q27: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5933/.jpg" alt=" -Identify the structure
Q28: Which of the following neurotransmitters is a
Q29: Presynaptic modulation involves a neurotransmitter from the
Q30: Describe the process of neural integration in
Q31: What enzyme catalyzes breakdown of acetylcholine?<br>A) choline