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: Pharmacology
In hepatic metabolism, phase II reactions are: 
Select and explain. 
A. Sulfation, B. Methylation, C. Glucuronidation, D. All of these
D: All of these
Answer: D: All of these 
Explanation: - Metabolic Reactions

   Phase 1 (non-synthetic) - Functional group is attached to the drug molecule.

§  Oxidation
§  Reduction
§  Hydrolysis
§  Cyclization
§  Decyclization

   Phase 2 (synthetic) - Conjugate is attached to the drug molecule.

§  Glucuronidation
§  Acetylation
§  Methylation
§  Sulfation
§  Glycine conjugation