The Role of a Metabolite That Controls a Repressible Operon

question 91

Multiple Choice

The role of a metabolite that controls a repressible operon is to

• A) bind to the promoter region and decrease the affinity of RNA polymerase for the promoter.
• B) bind to the operator region and block the attachment of RNA polymerase to the promoter.
• C) increase the production of inactive repressor proteins.
• D) bind to the repressor protein and inactivate it.
• E) bind to the repressor protein and activate it.

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Definitions:

Yellow Bone Marrow

A type of bone marrow composed mainly of fat cells, found in the central cavities of long bones.

Red Bone Marrow

The type of bone marrow that produces blood cells, including red blood cells, white blood cells, and platelets.

Proximal Epiphyses

The end parts of a long bone that are closest to the body's center, involved in growth and development.

Red Bone Marrow

A tissue found within bones that produces new blood cells, including red blood cells, white blood cells, and platelets.