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KVPY Sample Paper KVPY Stream-SX Model Paper-16

  • question_answer
    If you could selectively neutralise the active transport mechanisms at the axon terminals of a neuron, which of the following processes would you most significantly impact?

    A) Fusion of synaptic vesicles with the presynaptic membrane.

    B) Uptake of released neurotransmitter by the presynaptic cell.

    C) Operation of voltage-gated potassium channels.

    D) Release of calcium within the postsynaptic cell.

    Correct Answer: B

    Solution :

    Active transport is used by some axon terminals as a way to clear the synaptic cleft by gathering up released neurotransmitter chemicals.


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