This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2017, Subject name: Physiology
[{'content': 'Vitamin K leads to? \nSelect and explain. \nA. g-carboxylation of aspaic acid residues to clotting factor 2,7,9 and 10, B. b-carboxylation of glutamic acid residues to clotting factor 2,7,9 and 10, C. alpha - carboxylation of asparatic acid residues to clotting factor 2,7,9 and 10, D. g-carboxylation of glutamic acid residues to clotting factor 2,7,9 and 10', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Vitamin K leads to g-carboxylation of glutamic acid residues to clotting factor 2,7,9 and 10 Vitamin K is essential for adding carboxyl group to glutamic acid residues on 5 impoant clotting factors 1. Prothrombin (II) 2. Factor VII 3. Factor IX 4. Factor X 5. Protein C', 'role': 'assistant'}]