This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
All of the following enzymes are involved in oxidation-reduction, except: 
Select and explain. 
A. Dehydrogenases, B. Hydrolases, C. Oxygenases, D. Peroxidases
B: Hydrolases
Answer: B: Hydrolases 
Explanation: Enzymes involved in oxidation and reduction are called oxidoreductases and are classified into four groups: oxidases, dehydrogenases, hydroperoxidases, and oxygenases.
Reference- Haper 30th edition pg-120