Moderate

The action of vitamin K in formation of clotting factor is through__________________?

Correct answer: B. Post translation

  • A. Post transcription
  • B. Post translation
  • C. Golgi complex
  • D. Endoplasmic reticulum

Explanation

Vitamin K is required for post-translational gamma-carboxylation of specific glutamate residues in clotting factors, enabling them to bind calcium. This modification occurs after the polypeptide has been translated.

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