Components and Analogs of the Lac Operon Are Used by Researchers

question 16

Multiple Choice

Components and analogs of the lac operon are used by researchers as experimental tools. Match the molecule with its activity.
-X-gal

• A) Binds to lac repressor
• B) derepresses lac operon when lactose is present
• C) turns blue when lac operon is turned on
• D) breaks down lactose

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Definitions:

Underapplied Overhead

A scenario where the estimated costs for manufacturing overhead are lower than the overhead costs that were actually encountered.

Predetermined Overhead Rate

An estimated charge per labor hour or machine hour used to allocate overhead costs to products or services.

Direct Labor Cost

The total expense incurred by a company for the wages of workers who are directly involved in the manufacturing or production process.

Predetermined Overhead Rate

An estimated rate used to allocate manufacturing overhead costs to individual products or job orders, based on a certain activity base.