You Would Like to Identify as Many Bacterial Species as Possible

question 62

Multiple Choice

You would like to identify as many bacterial species as possible in the human mouth. Why is biochemical testing not the most efficient and accurate method of completing this task?

• A) Biochemical testing, using a variety of media, is inaccurate. It has been replaced by more advanced testing procedures.
• B) Since you do not know the growth characteristics and metabolic properties of the bacteria in the mouth, you cannot determine all varieties of media to use for isolation and culture.
• C) Bacteriological media is very expensive, particularly when you would have to use a variety of types to identify the different bacteria.
• D) Bacteria in the mouth are difficult to grow because of the adverse conditions in the oral habitat.

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Definitions:

Barriers To Entry

Obstacles that make it difficult for new competitors to enter a market, which can include high startup costs, regulatory requirements, or established brand loyalty.

Economic Profits

The excess of total revenue over total costs, including both explicit and implicit costs, signifying a return beyond the normal profit level.

Natural Monopoly

A market situation where due to high fixed or startup costs, a single firm can supply a product or service at a lower cost than any potential competitor, leading to a dominance of the market.

Long-Run Average Costs

Reflects the per-unit cost of production when all inputs are considered variable over time, highlighting economies of scale.