These questions consist of two statements each, printed as Statement-I and Statement-II. While answering these questions, you are required to choose any one of the following four responses.
Statement-I: In chemical synapses, neurotransmitters are responsible for bridging the gap between presynaptic and postsynaptic neurons, allowing for nerve impulse transmission.
Statement-II: Electrical synapses involve the use of neurotransmitters to transmit impulses between adjacent neurons
Text Solution
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(c) Statement-I correctly describes chemical synapses, where neurotransmitters are responsible for transmitting nerve impulses between presynaptic and postsynaptic neurons. This is a characteristic feature of chemical synapses.
Statement-II, on the other hand, is incorrect. Electrical synapses do not rely on neurotransmitters to transmit impulses between adjacent neurons. Instead, electrical synapses involve direct electrical coupling through gap junctions, allowing for the rapid flow of ions and electrical signals between cells. Neurotransmitters are not involved in electrical synapses.
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