Imagine a Hypothetical Pathway in Which Precursor X and Precursor

question 44

Multiple Choice

Imagine a hypothetical pathway in which precursor X and precursor Y are combined by enzyme Z in order to produce neurotransmitter XYZ. Which of the choices below would represent feedback inhibition?

• A) Increasing levels of X or of Y lead to a reduction in activity of enzyme Z.
• B) Increasing levels of enzyme Z lead to an increase in levels of XYZ.
• C) Increasing levels of enzyme Z lead to a reduction in availability of X and Y.
• D) Increasing levels of XYZ lead to an increase in the availability of X.
• E) Increasing levels of XYZ lead to a reduction in the activity of enzyme Z.

---

Definitions:

Service Information

Documentation and guidance provided for the maintenance, repair, and operation of equipment or systems, crucial for ensuring proper functionality.

Pressure

The force exerted by the substance per unit area on another substance. In automotive contexts, it often refers to the pressure within tires or hydraulic systems.

Dampers

Components of a vehicle's suspension system that control unsprung mass motion through resistance to velocity, providing a smoother ride.

Steering Knuckles

Components of the suspension system that pivot on ball joints, to which the wheels are attached, allowing the wheels to steer.