Which of the following statements are correct regarding electrical synapses? I. Pre and post-syn...

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Which of the following statements are correct regarding electrical synapses?
I. Pre and post-synaptic membrane neurons are in very close proximity at electric synapse.
II. Electric currents are involved in the transmission of impulses.
III. Transmission of an impulse across electrical synapses is very similar to impulse conduction along a single axon.
IV. Impulse transmission is always faster in electric synapse than that across a chemical synapse.
V. Electrical synapses are rare in our system.
Choose the correct option.
(A) I, II, III and IV
(B) I, III, IV and V
(C) I, II and IV
(D) I, II, III, IV and V
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