Lipids: Definition and Functions
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Questions and Answers

Which of the following is a common property of lipids?

  • Lack of energy storage function
  • Insolubility in nonpolar solvents (correct)
  • Solubility in both water and nonpolar solvents
  • Solubility in water
  • What is the main function of lipids related to energy?

  • Supply essential fatty acids
  • Provide shape and contour to the body
  • Serve as a storage form of energy (correct)
  • Act as thermal insulators
  • Which compound is mainly phospholipids in nature and serves as a structural component of biomembranes?

  • Oils
  • Waxes (correct)
  • Fats
  • Steroids
  • What is the clinical significance of lipids in relation to atherosclerosis?

    <p>Being associated with abnormal metabolism of lipids</p> Signup and view all the answers

    What are the lipid-protein combinations that are important cellular constituents and serve as a means of transporting lipids in the blood?

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

    Which disease is associated with abnormal chemistry or metabolism of lipids?

    <p>All of the above</p> Signup and view all the answers

    What is the most preferable source of energy, even though lipids provide more energy per gram?

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

    What function do lipids serve in the subcutaneous tissues and around certain organs?

    <p>Thermal insulators</p> Signup and view all the answers

    Which compound is mainly phospholipids in nature and serves as a structural component of biomembranes?

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

    What are the lipid-protein combinations that are important cellular constituents and serve as a means of transporting lipids in the blood?

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

    Which disease is associated with abnormal metabolism of lipids and is characterized by the accumulation of fat in the liver?

    <p>Fatty liver</p> Signup and view all the answers

    Which type of lipid serves as metabolic regulators such as steroid hormones and prostaglandins?

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

    Which essential compounds do lipids supply to the body that cannot be synthesized by the body itself?

    <p>Fatty acids</p> Signup and view all the answers

    What is the common property of lipids related to their solubility properties, making them relatively insoluble in water but soluble in nonpolar solvents?

    <p>They are hydrophobic</p> Signup and view all the answers

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