Vitamin C Functions Quiz
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Questions and Answers

What is the function of ascorbic acid in the formation of collagen?

  • Acts as a coenzyme for hydroxylation of amino acids in procollagen (correct)
  • Promotes the breakdown of collagen
  • Stimulates the production of procollagen
  • Inhibits the formation of procollagen

What is the role of ascorbic acid in the synthesis of osteocalcin?

  • Promotes the degradation of osteocalcin
  • Has no impact on the synthesis of osteocalcin
  • Inhibits the synthesis of osteocalcin
  • Facilitates the synthesis of osteocalcin, a calcium-binding protein in bones (correct)

How does ascorbic acid contribute to the absorption and mobilization of iron?

  • Promotes the excretion of iron
  • Inhibits the absorption of iron
  • Has no impact on iron absorption or mobilization
  • Acts as a potent reducing agent, keeping iron in ferrous state (correct)

What is the function of ascorbic acid in bile acid synthesis?

<p>Contributes to bile acid synthesis by 7 α hydroxylase (B)</p> Signup and view all the answers

How does ascorbic acid contribute to the synthesis of carnitine?

<p>Facilitates the synthesis of carnitine found in muscles (C)</p> Signup and view all the answers

Vitamin C acts as a coenzyme for bile acid synthesis

<p>False (B)</p> Signup and view all the answers

Vitamin C contributes to the absorption and mobilization of iron

<p>True (A)</p> Signup and view all the answers

Vitamin C has no role in antioxidant action

<p>False (B)</p> Signup and view all the answers

Vitamin C is essential for the conversion of procollagen into collagen

<p>True (A)</p> Signup and view all the answers

Vitamin C is not involved in the synthesis of osteocalcin

<p>False (B)</p> Signup and view all the answers

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