The neurotransmitter gamma-aminobutyric acid (GABA) :
A) Is stored in large electron-dense vesicles.
B) Is the major excitatory transmitter in the brain.
C) When released,acts mainly at the immediate postsynaptic membrane.
D) Binds to only ionotropic receptors.
Correct Answer:
Verified
Q1: Chemical synapses are typically characterized by:
A)Unidirectional and
Q2: At gap junctions,the intercellular space:
A)Widens and is
Q3: The kiss-and-run method of vesicle recycling is
Q4: Calcium entry into the presynaptic terminal is
Q5: At electrical synapses:
A)There is a synaptic delay
Q6: Temporal summation refers to the fact that:
A)Excitatory
Q8: Metabotropic receptors:
A)Trigger EPSPs whose time course is
Q9: The quantal nature of chemical synaptic transmission
Q10: Ionotropic receptors:
A)Activate second messenger cascades.
B)Trigger EPSPs that
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