An Organism That Causes Infection as a Result of a Dog

question 1

Multiple Choice

An organism that causes infection as a result of a dog or cat bite was tested for catalase,resulting in a positive reaction.What could be the possible source of the error?

• A)The catalase reagent could be expired.
• B)This organism is normally negative for catalase;therefore a mutation may have occurred.
• C)A false-positive result occurred because of the catalase production of the red blood cells in the 5% sheep blood agar.
• D)No error is present.This organism is catalase-positive.

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Definitions:

Marginal Revenue

The financial gain achieved through the sale of one more unit of a good or service.

Average Total Cost

The cost per unit of output, calculated by dividing the total cost of production by the total quantity of output.

Marginal Cost

The cost added by producing one additional unit of a product or service, crucial for making efficient production and pricing decisions.

Marginal Revenue

The supplementary earnings obtained through the sale of an additional product or service unit.