Retrograde Signalling Is Where ______

Retrograde signalling is where ______.

A) action potentials can directly be transferred from one neuron to another
B) action potentials can travel from the terminals to the dendrites to influence their sensitivity to incoming neurotransmitters
C) the neurotransmitter binding to its receptor causes a change in intracellular signalling cascades in the postsynaptic cell
D) the postsynaptic cell releases a substance detected by the presynaptic cell