The Obvious Advantage of the Lac Operon Is That It

question 12

Multiple Choice

The obvious advantage of the lac operon is that it ________________________.  

• A) allows bacteria to survive in the presence of lactose
• B) eliminates the need for lactose-metabolizing enzymes when lactose is not present
• C) enables bacteria to make lactose only in the presence of the proper enzymes
• D) negates the need for milk in the diet of adult humans
• E) enables glucose to substitute for lactose in the diet of lactose intolerant persons

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Definitions:

Predetermined Overhead Rate

An estimate used to allocate manufacturing overhead to products, calculated before the accounting period begins based on expected costs and activity levels.

Gross Margin

The difference between revenue and cost of goods sold, divided by revenue, expressed as a percentage; it measures how efficiently a company uses its resources to make products.

Predetermined Overhead Rate

An estimated rate used to allocate manufacturing overhead costs to individual units of production, based on a selected activity base such as machine hours or labor hours.

Machine-Hours

A unit of measure that represents the operational time of a machine, often used to allocate manufacturing overhead costs to products.