A Noncompetitive Inhibitor Hinders Binding of a Substrate to an Enzyme

question 111

Multiple Choice

A noncompetitive inhibitor hinders binding of a substrate to an enzyme by

• A) binding to the substrate.
• B) binding to the active site.
• C) lowering the activation energy.
• D) increasing the  G of the reaction.
• E) changing the shape of the active site.

---

Definitions:

Control Signal

An electrical or electronic signal used to control the behavior of a system or device, directing its operation or response.

Trailer

Any of a number of different types of nonpowered, load-carrying vehicles towed by another vehicle.

Hold-Off Circuit

A type of circuit used to delay or prevent the activation of part of a system until certain conditions are met.

System Air Pressure

The pressure of the air in a pneumatic system, which is critical for the operation of air-powered tools or vehicles.