In comparison to metabotropic receptors, ionotropic receptors produce effects that
A) are less diffuse.
B) develop more rapidly.
C) are more enduring.
D) all of the above
E) both A and B
Question 2
Once released, neurotransmitter molecules typically produce signals in postsynaptic neurons by
A) binding to presynaptic receptors.
B) binding to postsynaptic receptors.
C) entering postsynaptic neurons.
D) binding directly to calcium ions.
E) attaching to vesicles.