Biochemistry: D-glucose and Cellulose Digestion
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Questions and Answers

What type of sugar is sucrose?

  • Galactose + Glucose
  • Glucose + Glucose
  • Glucose + Fructose (correct)
  • Fructose + Fructose
  • What is the cleavage product of starch?

  • Maltose (correct)
  • Lactose
  • Fructose
  • Sucrose
  • Which sugar is the most important carbohydrate in the milk of mammals?

  • Sucrose
  • Fructose
  • Lactose (correct)
  • Maltose
  • What kind of linkages does amylose have?

    <p>(1→4) linkages</p> Signup and view all the answers

    Why can't humans digest cellulose effectively?

    <p>Due to lacking enzymes for breaking glycosidic linkages</p> Signup and view all the answers

    What kind of linkages are present in amylopectin?

    <p>(1→4) and (1→6) linkages</p> Signup and view all the answers

    What classification is based on the presence of an aldehyde or ketone group in monosaccharides?

    <p>Number of carbon atoms</p> Signup and view all the answers

    Which type of sugar has a keto group?

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

    What determines whether a sugar belongs to the D or L series?

    <p>Orientation of H and OH groups around a specific carbon</p> Signup and view all the answers

    Which form of D-glucose is commonly used as a carbohydrate supplementation?

    <p>Both α-D-glucose and β-D-glucose</p> Signup and view all the answers

    What is the main difference between α-D-glucose and β-D-glucose?

    <p>Orientation of the hydroxyl group at a specific carbon</p> Signup and view all the answers

    Which type of disaccharide is sucrose?

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

    In the nomenclature, what suffix is used for aldose sugars based on the number of carbon atoms?

    <p>-ose</p> Signup and view all the answers

    Which disaccharide is formed by the combination of two glucose molecules?

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

    What is the major disaccharide found in milk?

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

    Which of the following is a polysaccharide found in animals for glucose storage?

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

    Which polysaccharide is responsible for providing strength and rigidity to plant cell walls?

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

    What type of linkage does cellulose have between its glucose units?

    <p>β(1→4)</p> Signup and view all the answers

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