NEET Zoology (general) MCQ Question
Which of the following statements about synaptic transmission is correct?
Neurotransmitters bind to receptors on the post-synaptic membrane to generate a potential.
Electrical synapses are slower than chemical synapses due to the synaptic cleft.
The impulse is transmitted across synapses through direct electrical current only.
Chemical synapses do not involve neurotransmitters in impulse transmission.
Correct Answer
Detailed Explanation
Statement A is correct as neurotransmitters bind to specific receptors on the post-synaptic membrane, allowing the entry of ions that can generate a new potential. Statement B is incorrect as electrical synapses are faster than chemical synapses. Statement C is misleading as it only describes one type of synapse, and Statement D is incorrect as neurotransmitters are essential in chemical synapse transmission.
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