Answer:
is A.
Explanation:
When an action potential reaches the axon terminal, it depolarizes the membrane and opens voltage-gated Na+ channels. Na+ ions enter the cell, further depolarizing the presynaptic membrane. ... Fusion of a vesicle with the presynaptic membrane causes neurotransmitters to be released into the synaptic cleft.
Answer:
hey there is no diagram you were supposed to attach it with a document
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<span>The model cell swells because it is in a hypotonic solution. The water enters the cell to move the glucose cells out into a solution to create equilibrium.</span>
He found a nuclear structure (cells) in plants by looking through a microscope
Biochemical- apart of the second defense system
