Signi cantly perm eable to calcium ions 18. Perm eable to m onovalent cations 19. Ligand-gated 20…

Signi cantly perm eable to calcium ions

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18. Perm eable to m onovalent cations

19. Ligand-gated 20. Voltage-gated

21. Blocked by m agnesium ions

 

Which of the follow ing is true of acet ylcholine (ACh)
release from the neurom uscular junction

 A. One m olecule of ACh equals 10,000 quanta

 B. One quanta contains 10,000 m olecules of ACh

C. One quanta equals 1 m olecule of ACh

 D. One vesicle contains 10,000 quanta

E. One vesicle contains 10 m olecules