Multiple Choice
Suppose a particular neurotransmitter causes an IPSP in postsynaptic cell X and an EPSP in postsynaptic cell Y. A likely explanation is that
A) the threshold value in the postsynaptic membrane is different for cell X and cell Y.
B) cell Y forms chemical synapses, whereas cell X forms electrical synapses.
C) the axon of cell X is myelinated, but that of cell Y is not.
D) only cell Y produces an enzyme that terminates the activity of the neurotransmitter.
E) cells X and Y express different receptor molecules for this particular neurotransmitter.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: The fastest possible conduction velocity of action
Q3: The botulinum toxin reduces the synaptic release
Q16: A chemical that affects neuronal function but
Q24: Although the membrane of a "resting" neuron
Q29: For the following questions, refer to the
Q39: An action potential can start in the
Q41: What happens when a resting neuron's membrane
Q46: The nucleus and most of the organelles
Q64: The point of connection between two communicating
Q71: A simple nervous system<br>A) must include chemical