Sulfadimethoxine inhibits bacterial synthesis of folic acid ( pteroylglutamic acid ) from para-aminobenzoic acid.
2.
Vitamin K2 is from the extensive bacterial synthesis of the vitamin in the intestines.
3.
The two important forms are Vitamin K ( phylloquinones ) which occurs naturally in green plants, and Vitamin K2 ( menaquinone ) which is a product of bacterial synthesis in the intestines.
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