What is the role of xanthine oxidase in the development of kidney stones?

A It catalyzes the conversion of hypoxanthine to xanthine ✓
B It inhibits the formation of uric acid
C It breaks down urea into ammonia
D It synthesizes glucose from non-carbohydrate sources

Explanation

Xanthine oxidase is an enzyme that catalyzes the conversion of hypoxanthine to xanthine, which can lead to the formation of uric acid kidney stones.

Source

Harper's Biochemistry
Enzymes in Disease Biochemistry Purine Metabolism Medium MEDICAL Confidence: high