Introduction to Lipids
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Questions and Answers

Why are lipids not defined by a particular functional group?

  • They are greasy to touch.
  • They are lighter than water.
  • They are relatively insoluble in water.
  • They have a variety of structures and functions. (correct)
  • What physical property of lipids makes them relatively insoluble in water?

  • Being soluble in a nonpolar solvent
  • Being lighter than water
  • Being greasy to touch (correct)
  • Being colorless with a bland odor and taste
  • Which statement best describes the behavior of lipids when heated strongly?

  • They break down, releasing smelly and flammable gases. (correct)
  • They act as excellent insulators for the body.
  • They leave a permanent oily stain on paper.
  • They burn with a flame that leaves soot behind.
  • What is a characteristic feature of lipids that distinguishes them from substances that conduct heat or electricity well?

    <p>Not good at conducting heat or electricity</p> Signup and view all the answers

    How do lipids act as insulators for the body?

    <p>By preventing heat from escaping through the skin</p> Signup and view all the answers

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