Multiple choice

Both vitamin K and vitamin C are involved in

  1. synthesis of clotting factors

  2. post-translation modifications

  3. antioxidant mechanisms

  4. microsomal hydroxylation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  1. Vitamin C is required for post-translation modification of procollagen polypeptide molecules in collagen synthesis.
    1. Vitamin K is required for post-translation of glutamate residues for generation of clotting factors.
    2. Synthesis of clotting factors is helped by vitamin K and not by vitamin C.
    3. Antioxidant properties are features of vitamin A, vitamin E and vitamin C, but not of vitamin K.

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