Which of the following is characteristic characteristic of xanthine oxidase?
A)present in small amounts in liver,intestinal mucosa,and milk
B)uses H₂O₂ to produce molecular oxygen
C)possesses an electron-transport chain with FAD,Fe-S cluster,and molybdenum cofactor
D)involved in production of urea

Question

Quizplus · Accepted Answer

Xanthine oxidase possesses an electron-transport chain with FAD, Fe-S cluster, and molybdenum cofactor. This is a key characteristic of the enzyme. Option A is incorrect as xanthine oxidase is present in significant amounts in the liver and intestine. Option B is incorrect as xanthine oxidase uses molecular oxygen to produce hydrogen peroxide, not the other way around. Option D is incorrect as xanthine oxidase is not involved in the production of urea.

Which of the Following Is Characteristic Characteristic of Xanthine Oxidase