The Following Question(s) Are Based on the Reaction a

question 42

Multiple Choice

The following question(s) are based on the reaction A + B ↔ C + D shown in the accompanying figure.
-You have isolated a previously unstudied protein, identified its complete structure in detail, and determined that it catalyzes the breakdown of a large substrate. You notice it has two binding sites. One of these is large, apparently the bonding site for the large substrate; the other is small, possibly a binding site for a regulatory molecule. What do these findings tell you about the mechanism of this protein?

• A) It is probably a structural protein that is involved in cell-to-cell adhesion.
• B) It is probably an enzyme that works through allosteric regulation.
• C) It is probably an enzyme that works through competitive inhibition.
• D) It is probably a cell membrane transport protein-like an ion channel.
• E) It is probably a structural protein found in cartilage or skeletal tissue.

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Definitions:

Dura Mater

The tough outermost membrane that envelops the brain and spinal cord within the skull and vertebral canal.

Joint Manipulation

A therapeutic intervention involving the forceful passive movement of a joint beyond its active limit of motion.

Ligaments

Strong, fibrous tissues that connect bones to other bones, providing stability and support to joints.

Tendons

Tough, flexible bands of fibrous tissue that connect muscles to bones, transmitting the force necessary to move the bone.