Chemistry of Lipids: Definition and Functions
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Questions and Answers

Which of the following is a common property of lipids?

  • Mainly carbohydrates in nature
  • Low solubility in nonpolar solvents (correct)
  • High solubility in water
  • Preferable source of energy

    • What is the main function of lipids in supplying the body?

  • Supply of water-soluble vitamins
  • Thermal insulation in subcutaneous tissues
  • Supply of fat-soluble vitamins (correct)
  • Structural components of biomembranes

    • What is the primary role of phospholipids in the body?

  • Metabolic regulation
  • Thermal insulation
  • Energy storage
  • Structural component of biomembranes (correct)

    • Which lipids act as important cellular constituents and are involved in transporting lipids in the blood?

    <p>Lipoproteins (D)</p> Signup and view all the answers

    Which disease is associated with abnormal metabolism of lipids?

    <p>Atherosclerosis (D)</p> Signup and view all the answers

    What is the primary storage form of energy provided by lipids?

    <p>Fats (B)</p> Signup and view all the answers

    Which type of fatty acid contains no double bonds and is solid at room temperature?

    <p>Saturated fatty acids (C)</p> Signup and view all the answers

    What is the general formula of a saturated fatty acid?

    <p>CnH2n+1COOH (C)</p> Signup and view all the answers

    Which compound lipid contains an additional group along with fatty acids?

    <p>Phospholipids (B)</p> Signup and view all the answers

    What are fats primarily composed of?

    <p>Glycerol (B)</p> Signup and view all the answers

    What are esters of fatty acids with higher molecular weight monohydric alcohols known as?

    <p>Waxes (A)</p> Signup and view all the answers

    Which type of lipid molecule is derived from simple or compound lipids upon hydrolysis?

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

    What is the main characteristic of unsaturated fatty acids?

    <p>Contain one or more double bonds (A)</p> Signup and view all the answers

    Which type of fatty acid may be envisaged as based on acetic acid (CH3—COOH) as the first member of the series?

    <p>Lauric acid (B)</p> Signup and view all the answers

    What are fats in the liquid state known as?

    <p>Oils (C)</p> Signup and view all the answers

    What group do compound lipids contain in addition to fatty acids?

    <p>Glycerol (A)</p> Signup and view all the answers

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