Q.

When the electric impulse travels along the axon and reaches the other end called the synaptic terminal, this impulse triggers the release of –

A. Vesicles
B. Cleft
C. Mitochondria
D. All of the above
Answer» A. Vesicles
Explanation: The electrical impulses stimulate the release of vesicles. These store various neurotransmitters that are released at the synapse. Vesicles are essential for propagating nerve impulses between neurons and are constantly recreated by the cell.
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