Consider an Allosteric Protein That Contains Three Identical Subunits

question 7

Multiple Choice

Consider an allosteric protein that contains three identical subunits.Which of the following is true only if the protein follows the concerted model of allostery and NOT the sequential model of allostery?

• A) All three subunits exist in the R state simultaneously.
• B) All three subunits exist in the T state simultaneously.
• C) A ligand is bound to a single subunit and that subunit is in the T state.
• D) No ligand is bound; two subunits are in the T state and one subunit is in the L state.

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Definitions:

Muscle Stiffness

A condition characterized by tightness in the muscles, potentially leading to discomfort or difficulty in moving.

Muscles

Tissue found in the body of animals and humans which has the ability to contract, enabling movement.

Pathology Present

Indicates that disease or abnormality was found through the study of cells, tissues, and organs.

Trigger Points

Hyperirritable spots in skeletal muscle associated with palpable nodules in tight bands of muscle fibers, commonly causing pain.