Enzymes Have "Specificity." This Means That They

question 69

Multiple Choice

Enzymes have "specificity." This means that they

• A) have a preferred pH.
• B) have a preferred temperature.
• C) have a particular substrate.
• D) are only in certain cells.
• E) require ATP and cofactors in order to work properly.

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Definitions:

Fixed Expenses

are costs that do not fluctuate with the level of production or sales, such as rent, salaries, and insurance premiums.

Contribution Margin

The amount of revenue remaining after deducting variable costs, used to cover fixed costs and generate profit.

Variable Expenses

Costs that change in proportion to the level of production or sales activity.

Contribution Margin Ratio

A financial measure that gauges the proportion of sales revenue that exceeds variable costs, indicating how much revenue contributes towards covering fixed expenses and generating profit.