This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Pharmacology, Subject name: Pharmacology
Which of the following is not a phase 1 reaction in drug metabolism: 
Select and explain. 
A. Oxidation, B. Reduction, C. Deamination, D. Conjugation
D: Conjugation
Answer: D: Conjugation 
Explanation: Ans. D. Conjugationa. Phase-1 (Non-synthetic Rx): (oxidation/reduction/hydrolysis)- introducing or unmasking a polar functional groupb. Phase II (Synthetic or Conjugation reaction)c. Microsomal Conjugation- Enzyme is glucuronyl transferase.- e.g. Morphine, Paracetamol, Aspirin, Diazepam, Sulfonamidesd. Non-microsomal conjugation- N- acetyl conjugation (cytosol) (N- acetyltransferase)- Sulfate conjugation (Cytosol))- Amino-acid conjugation