Define Interferons

question 167

Multiple Choice

Define interferons.

• A)Interferons are small proteins released by virus-infected cells that trigger the production of antiviral proteins.
• B)Interferons are phagocytic white blood cells that attack virus-infected cells.
• C)Interferons are circulating proteins that assist antibodies in the destruction of pathogens.
• D)Interferons are chemicals that induce fever to accelerate tissue metabolism and defenses.
• E)Interferons are circulating proteins that bind specific antigens as part of the adaptive immune response.

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Definitions:

Long-run Total Costs

The aggregate sum of all production costs for a company when all input factors are variable, analyzed over a prolonged period.

Economies of Scale

The cost advantages that enterprises obtain due to size, output, or scale of operation, with cost per unit of output generally decreasing with increasing scale.

Average-total-cost Curve

A graphical representation that shows the average total cost of producing each quantity of output.

Marginal-cost Curve

The marginal-cost curve depicts how the cost of producing one additional unit of a good or service varies as production increases.