A Stock Variable

question 51

Multiple Choice

A stock variable

• A) measures a process that takes place over a period of time
• B) is used often used to measure the quantity demanded of a good at various prices
• C) is related to inventory controls
• D) measures a quantity in existence at a moment in time
• E) is a definition unique to economics

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Definitions:

Beta Amyloid

A protein fragment snipped from an amyloid precursor protein (APP) that, in excessive amounts, can form plaques in the brain, a hallmark of Alzheimer's disease.

Synapse Transmission

The process by which nerve impulses are transmitted across a synapse from one neuron to another or to a muscle or gland cell.

Neuron

A specialized cell transmitting nerve impulses; a nerve cell.

Impulse

A sudden urge or desire to act or a brief electrical charge that travels through the nerves.