Glucokinase (Hexokinase IV) Differs from Hexokinase (Hexokinase I)

question 28

Multiple Choice

Glucokinase (hexokinase IV) differs from hexokinase (hexokinase I) :

• A) by having a higher affinity for glucose and not being inhibited by high levels of glucose.
• B) by requiring larger concentrations of glucose before reaching maximal activity.
• C) to allow the liver to export free glucose to the bloodstream when blood sugar levels drop.
• D) so that the liver does not compete with other tissues for glucose when glucose levels are high.
• E) to allow the pancreas to trigger insulin release when blood sugar levels are low.

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Definitions:

Pulsating Magnetic Field

A magnetic field that varies in amplitude over time in a periodic manner.

Rotating

The action or process of turning around a center or an axis; a fundamental movement in various mechanical and electrical devices.

Fixed

Pertains to an electronic component or value that remains constant and unchanged throughout its operation or use.

Vibrating

A process or state characterized by rapid oscillations or movements back and forth or up and down, often at a relatively fixed frequency.