Which of the Following Is an Advantage of Using Polymerase

question 60

Multiple Choice

Which of the following is an advantage of using polymerase chain reaction (PCR) instead of relying on biochemical tests?

• A) PCR can be completed within hours instead of days.
• B) Only PCR provides a conclusive identification of a bacterium.
• C) PCR provides information about antibiotic sensitivity.
• D) PCR does not require specialized equipment.

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Definitions:

Cumulative

Describes something that increases or accumulates over time.

Guttman Scale

A scale that contains either favourable or unfavourable statements arranged hierarchically. Agreement with a strong statement implies agreement with weaker ones; disagreement with a weak one implies disagreement with stronger ones.

Cumulative Items

The accumulation or sum of items over a period.

Unidimensionality

A Guttman scale consists of a single (low to high) dimension. It is also cumulative; that is, agreement with the highest-scoring item implies agreement with all lower-scoring items.