Biochemistry Lecture 9: Vitamins
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Questions and Answers

Which type of vitamins can be stored in the body and do not require regular supply?

  • Fat-soluble vitamins (correct)
  • Carbohydrate-soluble vitamins
  • Water-soluble vitamins
  • Protein-soluble vitamins

What happens to the excess of water-soluble vitamins in the body?

  • They are stored in the liver
  • They are converted into fat-soluble vitamins
  • They are used as a source of energy
  • They are excreted in the urine (correct)

Why are fat-soluble vitamins more likely to accumulate to toxic levels in the body?

  • Because they do not require bile for absorption
  • Because they are excreted in the urine
  • Because they can be stored in the liver and fatty tissues (correct)
  • Because they are readily excreted from the body

Which biochemical functions do vitamins contribute to?

<p>Normal growth and specific metabolic functions (C)</p> Signup and view all the answers

Why are water-soluble vitamins required regularly in the diet?

<p>Because they cannot be stored in the body (A)</p> Signup and view all the answers

Flashcards

Fat-soluble vitamins

Vitamins that can be stored in the body's fat reserves and don't need to be consumed daily.

Water-soluble vitamins

Excess amounts of these vitamins are excreted in the urine.

Why fat-soluble vitamins are more likely to be toxic

They are stored in the liver and fat tissues, potentially leading to toxic buildup.

Vitamin functions

Vitamins play essential roles in maintaining growth and various chemical processes within the body.

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Why water-soluble vitamins need regular intake

Because they are not stored in the body and need to be replenished regularly.

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