Neuron a and Neuron B Synapse with Neuron C

question 155

Multiple Choice

Neuron A and Neuron B synapse with Neuron C. You are measuring the electrical activity in Neuron C. When Neuron A fires, an action potential is observed in Neuron C.
But when Neuron A and Neuron B fire at the same time, there is no change in the electrical activity of Neuron C. How can we explain this?

• A) Neuron B depolarizes the postsynaptic membrane.
• B) This would be a measurement error.
• C) Neuron B generates a graded potential that cancels out the graded potential of Neuron A.
• D) Neuron B uses serotonin as the neurotransmitter.
• E) Neuron A hyperpolarizes the postsynaptic membrane.

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Market capitalization rate, or "cap rate", is used in evaluating and comparing the expected returns on investments in the equity market, reflecting the cost of capital for a company.

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The price-to-earnings ratio, a valuation metric calculated by dividing the current market price of a stock by its earnings per share.

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The portion of a company's earnings that is not distributed as dividends but is reinvested in the business, also known as the retention rate.

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