Q.

The vitamin necessary for coagulation of blood is –

A. Vitamin B
B. Vitamin C
C. Vitamin K
D. Vitamin E
Answer» C. Vitamin K
Explanation: Vitamin K is a group of structurally similar, fat-soluble vitamins that are needed for the posttranslational modification ofcertain proteins required for blood coagulation and in metabolic pathways in bone and other tissue. They are 2-methyl-1,4-naphthoquinone (3-) derivatives. This group of vitamins includes two natural vitamers: vitamin K1 (found in highest amounts in green leafy vegetables) and vitamin K2 (form used by enzymes in animals).
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