Imagine That You Discover a Bacterial Operon Involved in the Synthesis

question 10

Multiple Choice

Imagine that you discover a bacterial operon involved in the synthesis of vitamin B₁₂.This operon is regulated by a repressor protein that binds to an operator sequence.Vitamin B₁₂ is the allosteric effector of the repressor-the molecule that binds to the repressor to affect its activity.Predict how vitamin B₁₂ will influence repressor activity.

• A)When vitamin B₁₂ binds to the repressor,the repressor binds to the operator.
• B)When vitamin B₁₂ binds to the repressor,the repressor cannot bind to the operator.
• C)When vitamin B₁₂ binds to the repressor,the repressor can bind to RNA polymerase.
• D)When vitamin B₁₂ binds to the repressor,the repressor cannot bind to RNA polymerase.

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Definitions:

Ending Inventory

The aggregate sum of products ready for purchase at the closure of a financial period.

Perpetual Inventory System

A bookkeeping approach that immediately logs the buying or selling of inventory via computerized point-of-sale systems and enterprise asset management software.

Physical Units

A method of measuring production or inventory in terms of actual physical items or volumes, rather than monetary value or time.

Inventory Records

Documentation and tracking of a company's stock of goods or materials, essential for managing inventory levels and financial reporting.