Questions and Answers
Which vitamin is known for its role in collagen synthesis and healing of wounds?
Ascorbic acid (Vitamin C)
Which water-soluble vitamin is used in the process of decarboxylation as a coenzyme?
Thiamine (Vitamin B1)
Which vitamin is known for its role in electron transfer as a coenzyme?
Niacin (Vitamin B3)
Which water-soluble vitamin is used in acetyl group transfer as a coenzyme?
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Which vitamin is known for its role in methyl group transfer as a coenzyme?
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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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