Biochemistry II: Vitamins Quiz
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Questions and Answers

Which vitamin is known for its role in collagen synthesis and healing of wounds?

  • Ascorbic acid (Vitamin C) (correct)
  • Niacin (Vitamin B3)
  • Riboflavin (Vitamin B2)
  • Thiamine (Vitamin B1)
  • Which water-soluble vitamin is used in the process of decarboxylation as a coenzyme?

  • Thiamine (Vitamin B1) (correct)
  • Niacin (Vitamin B3)
  • Pantothenic acid (Vitamin B5)
  • Riboflavin (Vitamin B2)
  • Which vitamin is known for its role in electron transfer as a coenzyme?

  • Cobalamin (Vitamin B12)
  • Biotin (Vitamin B7 or H)
  • Niacin (Vitamin B3) (correct)
  • Pantothenic acid (Vitamin B5)
  • Which water-soluble vitamin is used in acetyl group transfer as a coenzyme?

    <p>Pantothenic acid (Vitamin B5)</p> Signup and view all the answers

    Which vitamin is known for its role in methyl group transfer as a coenzyme?

    <p>Folic acid (Vitamin B9)</p> Signup and view all the answers

    Study Notes

    Vitamins

    • Vitamins are organic molecules with a wide variety of functions
    • They act as cofactors for enzymatic reactions
    • Vitamins are essential and must be supplied in the diet

    Types of Vitamins

    • There are two distinct types of vitamins:
      • Fat-soluble vitamins: A, D, E, K
      • Water-soluble vitamins: B-complex, C

    Importance of Vitamins

    • Vitamins are required in trace amounts for normal health and growth
    • They must be obtained from the diet because they are not synthesized in the body
    • Vitamins were discovered in 1912 as essential factors in addition to carbohydrates, fats, and proteins

    Historical Background

    • Lime juice was known to prevent scurvy in sailors
    • Cod liver oil was found to prevent rickets

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    Test your knowledge on the functions and types of vitamins in biochemistry. Explore the essential role of vitamins as organic molecules and enzymatic reaction cofactors, as well as their classification into fat soluble and water soluble types.

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