Understanding Carbohydrates in the Diet
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Questions and Answers

What is the general formula for an amino acid?

  • NH2---COO---R (correct)
  • Cx(H2O)y
  • C6H12O6
  • Polypeptide chains
  • What is the main source of energy in the diet?

  • Vitamins
  • Fats
  • Carbohydrates (correct)
  • Proteins
  • Which carbohydrate is indigestible by man but provides important bulk to the gut contents?

  • Glucose
  • Starch
  • Cellulose (correct)
  • Glycogen
  • Which complex carbohydrate needs to be broken down into simple carbohydrates before transport to the cells of the body?

    <p>Starch</p> Signup and view all the answers

    Which macronutrient is composed of polypeptide chains?

    <p>Proteins</p> Signup and view all the answers

    What is the general formula for carbohydrates as mentioned in the text?

    <p>Cx(H2O)y</p> Signup and view all the answers

    How are proteins formed from amino acids?

    <p>Peptide bonds</p> Signup and view all the answers

    Which of the following is an example of a simple carbohydrate mentioned in the text?

    <p>Glucose</p> Signup and view all the answers

    In what form do complex carbohydrates need to be broken down for transport to the cells of the body?

    <p>Monosaccharides</p> Signup and view all the answers

    Why is cellulose important despite being indigestible by humans?

    <p>It prevents constipation</p> Signup and view all the answers

    Which nutrient is composed of polypeptide chains?

    <p>Proteins</p> Signup and view all the answers

    Which nutrient can also be used as an energy source besides its other roles?

    <p>Proteins</p> Signup and view all the answers

    What forms peptide bonds to create polypeptide chains?

    <p>Amino acids</p> Signup and view all the answers

    Why are proteins considered essential in nearly all biological processes?

    <p>They play key roles</p> Signup and view all the answers

    How many different common amino acids are found in proteins according to the text?

    <p>20</p> Signup and view all the answers

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