Plaque Assays Are Used for

question 54

Multiple Choice

Plaque assays are used for

• A) determining the density of phage in a culture.
• B) counting the number of latent phages in a cell.
• C) cultivating viruses that cannot be grown any other way.
• D) the study of prions.
• E) evaluating the cancer-causing ability of a virus.

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Definitions:

Fixed Costs

Fixed costs are business expenses that do not change with the level of goods or services produced, such as rent, salaries, and insurance premiums, providing stability in business planning.

Break-Even Point

The point at which total costs and total revenue are equal, meaning no net loss or gain, and one has "broken even".

Operating Leverage

A measure of how revenue growth translates into growth in operating income, highlighting the proportion of fixed costs in a company's cost structure.

Contribution Margin

The amount by which sales revenue exceeds variable costs of production, used to cover fixed costs and generate profit.