<prompt> The biochemical role of vitamin K in the post- translational modification of clotting factors is by?GlycosylationCarboxylationAcetylationPhosphorylation  <response>: Ans. b CarboxylationVitaminActionsDeficiency SynptomesSourcesK groupCatalyze g carboxylation of glutamic acid residues on various proteins concerned with blood clottingHemorrhagic phenomenaLeafy green vegetables 