NEET Zoology Synaptic Transmission Assertion Reason Question
Assertion (A): Impulse transmission across a chemical synapse can be either excitatory or inhibitory. | Reason (R): The binding of neurotransmitters to specific receptors on the post-synaptic membrane opens ion channels.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false.
Correct Answer
Detailed Explanation
In a chemical synapse, neurotransmitters bind to specific receptors on the post-synaptic membrane, opening ion channels that can result in excitatory or inhibitory potentials, thus explaining the assertion.
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