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  4. During the process of blood coagulation vitamin K helps in:

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Q. During the process of blood coagulation vitamin K helps in:

Punjab PMETPunjab PMET 2003

Solution:

Vitamin ' $K$' (also known as antihaemorrhagic factor) is a fat soluble vitamin. Vitamin $K$ is needed for the formation of prothrombin necessary for clotting of blood. Prothrombin is prepared in liver under the effect of vitamin $K$. It is also synthesised by intestinal bacteria.