Acetylcholine is released by axon terminals of the motor neuron.
Acetylcholine is released by axon terminals of the motor neuron.
binding of acetylcholine to membrane receptors on the sarcolemma
Because it is released by a motor neuron and not an endocrine gland. Hormones are released only by glands.
Probability of an event is how many times it occurs.
Annual event
The time at which an event occurs.
If an event keeps on occurring that means the event is at least annual. If it occurs more than once a year that makes the event perennial or biannual if it only occurs twice.
If you mean annual event, it occurs yearly.
Define your event as [A occurs and B does not occur] or as [A occurs and B' occurs] where B' is the complement of B. Equivalently, this is the event that [A and B' both occur].
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The single event that was most critical in encouraging regimentation and collectivism in Western countries was World War II.
frequency