The Following Steps Refer to Various Stages in Transmission at a Chemical

question 43

Multiple Choice

The following steps refer to various stages in transmission at a chemical synapse.
1) Neurotransmitter binds with receptors associated with the postsynaptic membrane.
2) Calcium ions rush into neuron's cytoplasm.
3) An action potential depolarizes the membrane of the axon terminal.
4) The ligand-gated ion channels open.
5) The synaptic vesicles release neurotransmitter into the synaptic cleft.
Which sequence of events is correct?

• A) 1 → 2 → 3 → 4 → 5
• B) 2 → 3 → 5 → 4 → 1
• C) 3 → 2 → 5 → 1 → 4
• D) 4 → 3 → 1 → 2 → 5
• E) 5 → 1 → 2 → 4 → 3

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Definitions:

Pure Monopolist

A market status where a single seller dominates the market with no close substitutes for the product or service offered.

Discriminating Monopolist

A monopolist that charges different prices to different groups of consumers for the same product or service, maximizing profit by exploiting the differences in willingness to pay.

Monopolistic Competitor

A firm in a market structure where many companies sell products that are similar but not identical.

Monopsony Labor Market

is a market structure where a single buyer (employer) substantially controls the market as the major purchaser of labor, influencing wages and employment conditions.