At the skeletal muscle motor end plate, the time between Ca ++ influx and exocytosis is fast because

Question

At the skeletal muscle motor end plate, the time between Ca ++  influx and exocytosis is fast because

Answer

Vesicles can fuse rapidly to the terminal membrane.

Answer

Otherwise AChE would degrade the Ca ++ .

Answer

ACh can diffuse rapidly across the synaptic cleft.

Answer

Ca ++  facilitates ACh entry into vesicles

Answer

Synaptic vesicles are pre-docked to take advantage of the brief period of Ca ++  entry

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