A Contaminated Food Sample Contains Several Different Species of Bacteria

question 19

Essay

A contaminated food sample contains several different species of bacteria.A food microbiologist is interested in studying just one of these species.Describe the sequence of procedures that the microbiologist must perform in order to obtain a pure culture of the bacterial species of interest from this food sample.Detail all the necessary media and equipment.

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Definitions:

Contribution Margin

Contribution Margin is the amount of revenue remaining after deducting variable costs, which can then be used to cover fixed costs or generate profit.

Income Statement

A financial statement that shows a company's revenues and expenses over a specified period, culminating in the net income or loss.

Contribution Format

A type of income statement where costs are divided into variable and fixed categories, enabling analysis of contribution margin.

Variable Expense Ratio

The ratio of variable costs to total sales, indicating how variable expenses change with sales levels.