Mutation of What Would Convert the Lac Operon to an OR Gate

question 5

Multiple Choice

Mutation of what would convert the lac operon to an OR gate?

• A) An operator sequence,so that it was constitutive.
• B) A cis-element so either inducer was sufficient for transcription.
• C) An operon so that only lacZ or lacY was transcribed at any time.
• D) The promoter so that it would not bind RNA polymerase.
• E) The repressor so that it could not bind allolactose.

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Definitions:

Factory Overhead

The indirect costs of manufacturing, such as salaries of quality control personnel and depreciation of factory equipment.

Underapplied Overhead

Underapplied overhead occurs when the actual manufacturing overhead costs exceed the applied overhead costs allocated during a specific period.

Applied Overhead

The estimated amount of overhead cost assigned to a specific job or department based on predetermined rates.

Actual Overhead

The real, incurred costs of running a production or service operation, excluding direct labor and direct materials.