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
Vit K is involved in 
Select and explain. 
A. Carboxylation, B. Decarboxylation, C. Deamination, D. Transamination
A: Carboxylation
Answer: A: Carboxylation 
Explanation: None