In Precipitation Tests, Maximum Precipitation Takes Place When

question 57

Multiple Choice

In precipitation tests, maximum precipitation takes place when

• A) the amount of the antibody exceeds the amount of the antigen.
• B) the amount of the antigen exceeds the amount of the antibody.
• C) the amount of the antibody and the amount of the antigen are at optimal proportions.
• D) a toxin is present.
• E) a complex solution of many antibodies is used.

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Variable Costs

Costs that change in proportion with the level of activity or production volume of a company.

Contribution Rate

The contribution margin expressed as a percentage of the unit selling price.

Fixed Costs

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Net Income

The amount of money left after subtracting all expenses, taxes, and costs from total revenue.