Question

Chemical synapses are either ------------or--------------depending on how they
affect the membrane potential of the post synaptic Neuron

Answer 1

Answer:

there is a possibility that the neuron can fire back at the potential neuron.

Explanation:

At a chemical synapses an action of potential triggers the Presynaptic neuron to the postsynaptic neuron either more or less likely to fire its own action of its potential neuron.