Suppose That a Researcher Exposes a Non-Infective Form of the Bacterium

question 56

Multiple Choice

Suppose that a researcher exposes a non-infective form of the bacterium Streptococcus pneumoniae to heat-killed cells of an infective strain. Which process of genetic exchange is most likely to occur between the strains?

• A) conjugation
• B) re-infection
• C) transduction
• D) transformation

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Definitions:

Variable Costs

Costs that vary directly with the level of production or sales volume, such as raw materials or labor expenses.

Fixed Costs

Business expenses that remain constant regardless of the level of production or sales activity, such as rent, salaries, and insurance.

Average Costs

The total cost of production divided by the number of goods produced, reflecting the average expense per unit.

Variable Costs

Expenses that change in proportion to the activity of a business, such as costs for raw materials or production.