Podcast
Questions and Answers
What is the principal role of vitamin K in the body?
What is the principal role of vitamin K in the body?
Which form of vitamin K is found in plants?
Which form of vitamin K is found in plants?
Which blood clotting factor is NOT influenced by vitamin K?
Which blood clotting factor is NOT influenced by vitamin K?
Where is menaquinone primarily found?
Where is menaquinone primarily found?
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What synthetic form of vitamin K is available for use?
What synthetic form of vitamin K is available for use?
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Study Notes
Vitamin K Forms
- Vitamin K exists in multiple forms
- Phylloquinone (Vitamin K1) is found in plants
- Menaquinone (Vitamin K2) is found in intestinal bacterial flora
- Menadione is a synthetic form of vitamin K
Function of Vitamin K
- Vitamin K is a coenzyme in the posttranslational modification of blood clotting factors
- It is required for the carboxylation of certain glutamic acid residues in these proteins
- Vitamin K is necessary for the hepatic synthesis of prothrombin and blood clotting factors II, VII, IX, and X
- It aids in the formation of γ-carboxyglutamate (Gla)
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Description
Learn about the role of vitamin K in blood clotting, its different forms, and their sources. Discover the functions of vitamin K and its importance in the body.
