The intracellular stimulus for secretion of neurotransmitters into the synaptic cleft is an increase in:. a. chloride ion levels.
b. potassium ion levels.
c. calcium ion levels.
d. acetylcholine levels.
e. sodium ion levels.

The intracellular stimulus for the secretion of neurotransmitters into the synaptic cleft is an increase in calcium ion levels (Option c).

In conclusion, the intracellular stimulus for the secretion of neurotransmitters into the synaptic cleft is an increase in calcium ion levels (Option c).

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C. calcium ion levels.

Explanation:

Calcium enters the axon terminal during an action potential,

you did not attach the discourse, but i assume it to be the discourse on the origin and basis of inequality among men (the original titile in french is: "discours sur l'origine et les fondements de l'inégalité parmi les hommes"), also know as "second discourse". in this discourse, jean-jacques rousseau emphasizes that private property is the basis of all inequalities.

therefore, what enabled the old regime to maintain as long as it did was private property.