This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: vitamins, Subject name: Biochemistry
Vitamin k epoxide cycle is seen in 
Select and explain. 
A. Lungs, B. Liver, C. Intestine, D. Spleen
B: Liver
Answer: B: Liver 
Explanation: Reference: Harpers illustrated biochemistry 30th edition