Select the incorrect statement regarding synapses:
1) The membranes of presynaptic and postsynaptic neurons are in close proximity in an
electrical synapse.
2) Electrical current can flow directly from one neuron into the other across the electrical
synapse.
3) Chemical synapses use neurotransmitters
4) Impulse transmission across a chemical synapse is always faster than that across an electrical
synapse.
