Carbohydrates Quiz: Structures and Formation
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Questions and Answers

In lipids, what differentiates saturated lipids from unsaturated lipids?

  • Unsaturated lipids are solid at room temperature
  • Saturated lipids are found in plants
  • Unsaturated lipids don't contain carbon-carbon double bonds (correct)
  • Saturated lipids contain carbon-carbon double bonds

    • What is cellulose composed of?

  • Unbranched chains of alpha glucose
  • Branched chains of beta glucose
  • Short, branched chains of alpha glucose
  • Long, unbranched chains of beta glucose (correct)

    • Which bonds join the long cellulose chains to form microfibrils in plants?

  • Glycosidic bonds
  • Hydrogen bonds (correct)
  • Covalent bonds
  • Ionic bonds

    • What is the function of triglycerides in cells?

    <p>Store energy reserves</p> Signup and view all the answers

    How does the presence of unsaturated bonds affect the melting point of lipids?

    <p>Decreases the melting point</p> Signup and view all the answers

    Which type of lipids are only soluble in organic solvents?

    <p>Saturated lipids</p> Signup and view all the answers

    What is the structure of a triglyceride molecule?

    <p>One glycerol molecule and three fatty acids joined by ester bonds</p> Signup and view all the answers

    What type of bonds connect beta-glucose molecules in cellulose?

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

    Which type of fats can be found in plants?

    <p>Unsaturated fats only</p> Signup and view all the answers

    What is the primary function of microfibrils in plant cells?

    <p>Structural support</p> Signup and view all the answers

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