Test Your Knowledge On Lipids!

5 Questions | Total Attempts: 182

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Lipid Quizzes & Trivia

Short interactive quiz to follow a presentation on Lipids


Questions and Answers
  • 1. 
    The label on a container of margarine lists 'hydrogenated vegetable oil' as the major ingredient. What is the result of adding hydrogens to vegetable oil?
    • A. 

      The hydrogenated vegetable oil has a lower melting point.

    • B. 

      The hydrogenated vegetable oil stays solid at room temperature.

    • C. 

      The hydrogenated vegetable oil has more "kinks" in the fatty acid chains.

    • D. 

      The hydrogenated vegetable oil has fewer trans fatty acids.

    • E. 

      The hydrogenated vegetable oil is less likely to clog arteries.

  • 2. 
    Large organic molecules are usually assembled by polymerization of a few kinds of simple subunits. Which of the following is an exception to this statement?
    • A. 

      A steroid

    • B. 

      Cellulose

    • C. 

      DNA

    • D. 

      An enzyme

    • E. 

      A contractile protein

  • 3. 
    A phospholipid is a type of lipid which makes up cell membranes. Which of the following does not characterize a phospholipid?
    • A. 

      A phosphate functional group

    • B. 

      A hydrophilic head and hydrophobic tails

    • C. 

      The ability to form a bilayer

    • D. 

      A hydrophobic head and hydrophilic tails

    • E. 

      An ester bond between glycerol and fatty acids

  • 4. 
    Steroids are specialized lipids composed of four fused carbon rings. Based on this knowledge, what would you expect to be the chemical formula of a steroid?
    • A. 

      CO2

    • B. 

      C96H150O9

    • C. 

      C4H12

    • D. 

      C27H46O

    • E. 

      NH3

  • 5. 
    The primary function of fats is...
    • A. 

      To provide structure within specialized cells

    • B. 

      To secrete fatty acids into the body at a moderate rate

    • C. 

      To store energy

    • D. 

      To act as risk factors for diseases, such as cardiovascular diease

    • E. 

      Act as a hydrophobic element in the body to ward off excess water

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