This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
Peroxidase enzyme is used in estimating: 
Select and explain. 
A. Hemoglobin, B. Ammonia, C. Creatinine, D. Glucose
D: Glucose
Answer: D: Glucose 
Explanation: Ans. D. GlucoseEnzymes as diagnostic reagentsEnzymeDiagnostic test doneUreaseUrea estimationUricaseUric acid estimationGlucose oxidaseGlucoseHexokinaseGlucosePeroxidaseGlucose, cholesterolCholesterol oxidaseCholesterolCreatininaseCreatinineLipaseTriglycerides