The liver contains a special enzyme, hexokinase, to act as a backup for glucokinase when the glucose levels in the body get very high.

Question

Quizplus · Accepted Answer

The liver primarily uses glucokinase for the phosphorylation of glucose, not hexokinase. Hexokinase is found in most other tissues and has a lower Km for glucose, meaning it is active at lower glucose concentrations compared to glucokinase.

The Liver Contains a Special Enzyme, Hexokinase, to Act as a Backup