A) ions
B) ions
C) The Both [a] and [b]
D) ions
Correct Answer: A
Solution :
is essential of muscle contraction, neutro-muscular functions and nerve impulse transmission. During nerve impulse transmission, as an impulse arrives at a synaptic knob, calcium ions diffuse into the knobs from surrounding tissue fluid. trigger a process in which numerous synaptic vesicles fuse with the membrane of the knob and the areas of fusion break down; releasing the contents of vesicles into the fluid of synaptic clefts.You need to login to perform this action.
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