NEET Biology question
Which of the following is correct in case of chemical synapses? I. The membranes of the pre and postsynaptic neurons are separated by a gap called synaptic cleft. II. Chemicals called neurotransmitters are involved in the transmission of impulses. III. Impulse transmission in chemical synapse is faster than that across an electrical synapse. IV. Chemical synapses are rare in our system.
Answer: (C)
Solution
Chemical synapses genuinely have a synaptic cleft separating pre- and postsynaptic membranes (I, true) and use neurotransmitter chemicals for transmission (II, true); however, chemical synapse
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