Carbohydrates
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Questions and Answers

Where do insoluble carbohydrate polymers serve as structural and protective elements?

  • Nucleus
  • Cell cytoplasm
  • Cell walls of bacteria and plants (correct)
  • Mitochondria
  • What do more complex carbohydrate polymers covalently attached to proteins or lipids act as?

  • Energy storage units
  • Structural components of cell membranes
  • Signals determining intracellular location or metabolic fate (correct)
  • Enzymes for digestion
  • What is the most abundant biomolecule on Earth?

  • Lipids
  • Proteins
  • Carbohydrates (correct)
  • Nucleic acids
  • What is the central energy-yielding pathway in most nonphotosynthetic cells?

    <p>Oxidation of carbohydrates</p> Signup and view all the answers

    Which process converts CO2 and H2O into cellulose and other plant products?

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

    Which process converts more than 100 billion metric tons of CO2 and H2O into cellulose and other plant products?

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

    Where do insoluble carbohydrate polymers serve as structural and protective elements?

    <p>Cell walls of bacteria and plants</p> Signup and view all the answers

    What is the central energy-yielding pathway in most nonphotosynthetic cells?

    <p>Oxidation of carbohydrates</p> Signup and view all the answers

    What do more complex carbohydrate polymers covalently attached to proteins or lipids act as?

    <p>Signals determining intracellular location or metabolic fate</p> Signup and view all the answers

    What are certain carbohydrates (sugar and starch) in most parts of the world?

    <p>Dietary staple</p> Signup and view all the answers

    What are the most abundant biomolecules on Earth?

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

    Where do insoluble carbohydrate polymers serve as structural and protective elements?

    <p>Cell walls of bacteria and plants</p> Signup and view all the answers

    What serves as the central energy-yielding pathway in most nonphotosynthetic cells?

    <p>Oxidation of carbohydrates</p> Signup and view all the answers

    What do more complex carbohydrate polymers covalently attached to proteins or lipids act as?

    <p>Signals determining intracellular location or metabolic fate</p> Signup and view all the answers

    What process converts CO2 and H2O into cellulose and other plant products?

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

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