Both vitamin K and vitamin C are involved in: (A) The synthesis of clotting factors, (B) Post trasnslational modification, (C) Antioxidant mechanisms, (D) Microsomal hydroxylation reactions
Answer is B. Both vitamin C and vitamin K are required for post translational modification
Vitamin C is required for post translational modification of proline & lysine in collagen synthesis.
Vit K is required for post translational modification of glutamate residue or generation of clotting factors.