Multiple Choice
Which is TRUE about the axon hillock of an axon?
A) Its membrane potential at threshold is more positive than that of the cell body and dendrites.
B) Its membrane potential at threshold is more negative than that of the cell body and dendrites.
C) Synapses far from the axon hillock are more effective in influencing whether an action potential will be generated in the axon than are synapses close to the axon hillock.
D) It is the region where neurotransmitter vesicles are docked and ready to be released by exocytosis.
E) It can only conduct graded potentials because it lacks voltage-gated Na⁺ channels.
Correct Answer:
Verified
Correct Answer:
Verified
Q99: The thalamus is the single most important
Q100: The maintenance of a resting potential in
Q101: When you have a negative experience,your brain
Q102: Alzheimer's disease is thought to involve primarily<br>A)loss
Q103: The relative refractory period of an axon
Q105: Which is a FALSE statement about the
Q106: Ions other than K⁺ play no role
Q107: Multiple sclerosis is a disease that primarily
Q108: You pass by the office of a
Q109: Compartments A and B are separated by