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Polysaccharide quiz

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  • Which polysaccharide contains a modified monosaccharide?
    Chitin contains a modified monosaccharide, specifically N-acetylglucosamine.
  • True or false? Peptidoglycan is a polysaccharide found only in bacteria.
    True. Peptidoglycan is a polysaccharide that is a major component of bacterial cell walls.
  • What are two true characteristics of polysaccharides?
    They are composed of monosaccharides linked by glycosidic bonds and serve as energy storage and structural components.
  • Which food is highest in polysaccharides?
    Bread, as it contains starch, a polysaccharide.
  • Which of these is a polysaccharide? A) Glucose B) Sucrose C) Cellulose D) Fructose
    C) Cellulose
  • Which polysaccharides are used for energy storage in cells?
    Starch in plants and glycogen in animals are used for energy storage.
  • In what polysaccharide form do plants store glucose to be available later as an energy source?
    Plants store glucose as starch, specifically amylose and amylopectin.
  • Which compound is a polysaccharide?
    Glycogen
  • Which polysaccharide is great at storing energy?
    Glycogen
  • Which features make polysaccharides an ideal short-term energy storage molecule?
    Polysaccharides like glycogen have branched structures that allow for rapid release of glucose units.
  • Which polysaccharide found in red algal cell walls is a useful solidifying agent?
    Agar is the polysaccharide found in red algal cell walls used as a solidifying agent.
  • Which molecule is not a polysaccharide?
    Glucose
  • Polysaccharides include what molecules? A) Glucose B) Starch C) Cellulose D) Glycogen
    B) Starch, C) Cellulose, D) Glycogen
  • Which type of carbohydrate is formed by linking together hundreds of sugar units?
    Polysaccharides are formed by linking together hundreds of sugar units.
  • Polysaccharides contribute to A) Energy storage B) Structural support C) Enzyme activity D) Hormone regulation
    A) Energy storage, B) Structural support
  • Which structural polysaccharide can be found in the shells of animals such as lobsters and insects?
    Chitin is the structural polysaccharide found in the shells of lobsters and insects.
  • Which polysaccharide contains a modified monosaccharide?
    Chitin
  • Which polysaccharides serve as structural components?
    Cellulose, Chitin
  • What are the functions of polysaccharides?
    Energy storage, Structural support
  • Give an example of a polysaccharide.
    Cellulose