Despite Some Evidence That Antibiotic Resistance Can Confer a Fitness

question 6

Multiple Choice

Despite some evidence that antibiotic resistance can confer a fitness disadvantage to bacteria in nonantibiotic environments as compared to susceptible strains,research has also documented that ________.

• A) compensatory evolution by way of mutation events in other genes may very well make antibiotic resistant strains as fit, or even more fit, than sensitive strains
• B) an energy balance trade-off outweighs the advantages that antibiotic sensitive strains have otherwise
• C) strains sensitive to antibiotics will readily and spontaneously mutate at will to achieve antibiotic resistance, even in the absence of antibiotics
• D) None of the above.

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Definitions:

Target Costing

A pricing strategy in which the selling price of a product is determined first, and then the manufacturing cost is managed to meet that selling price.

Mark-up

The amount added to the cost price of goods to cover overhead and profit.

Eliminate

The process of removing or getting rid of something.

Contribution Margin

The amount remaining from sales revenue after all variable costs have been deducted, indicating how much revenue is contributing to covering fixed costs and generating profit.