In a PCR Assay of DNA Isolated from a Nasopharyngeal

question 15

Multiple Choice

In a PCR assay of DNA isolated from a nasopharyngeal swab, amplification using primers to IS481 was positive and using primers to IS1001 was negative. All controls were acceptable. Which of the following organisms was present in this sample?

• A) Bordetella pertussis
• B) Bordetella parapertussis
• C) Bordetella holmesii
• D) Legionella pneumophila

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Definitions:

Competitive Market

A commercial system where numerous buyers and sellers exist, preventing any single party from setting the price.

Cost Structure

The composition of fixed and variable costs that a business or project incurs during its operations, highlighting how different expenses affect the total cost and profitability.

Total Cost

The total of all costs associated with producing goods or services, which encompasses both fixed and variable expenses.

Marginal Revenue

The increase in earnings resulting from the sale of one extra unit of a good or service.