The Following Are Two Genotypes of the Lactose Operon in E

question 139

Multiple Choice

The following are two genotypes of the lactose operon in E. coli:
1) I⁺ P^- O^c Z⁺ Y⁺
"2) I^- P⁺ O⁺ Z⁺ Y⁺
Do either of these genotypes produce -galactosidase and permease in the presence of lactose?"

• A)Both produce  -galactosidase and permease.
• B)Neither produces  -galactosidase and permease.
• C)The first one produces  -galactosidase and permease, the second does not.
• D)The first one does not produce  -galactosidase and permease, the second does.

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Definitions:

Fixed Manufacturing Overhead

The portion of manufacturing overhead costs that remains constant regardless of the level of production.

Variable Costing

An accounting method that considers only variable production costs (costs that change with the level of output) in the calculation of product costs.

Unit Product Cost

The total cost associated with producing one unit of a product, including both variable and fixed costs.

Variable Costing

An accounting method that includes only variable production costs (direct labor, direct materials, and variable manufacturing overhead) in product costs.