Medical Chemistry: Lipids and Their Functions
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Questions and Answers

What is the main function of neutral fats?

  • Supply the body with essential fatty acids
  • Serve as insulating material in the subcutaneous tissues
  • Serve as a fuel and are stored in specialized cells (correct)
  • Act as a medium for fat-soluble vitamins

    • Which type of lipids are esters of fatty acids with alcohols like glycerol?

  • Waxes
  • Compound or conjugated lipids
  • Fats and oils
  • Neutral lipids (correct)

    • What do phospholipids mainly contribute to in the body?

  • Building block in cell membrane (correct)
  • Serve as hormones, mediators, and second messengers
  • Supply the body with essential fatty acids
  • Act as mechanical, electrical, and thermal insulators

    • Which statement is true about the myelin sheath of the nerves?

    <p>It is made of phospholipids</p> Signup and view all the answers

    What is the characteristic solubility property of most lipids?

    <p>Insoluble in water and soluble in nonpolar solvents</p> Signup and view all the answers

    Which type of lipids contain other groups in addition to alcohols and fatty acids?

    <p>Compound or conjugated lipids</p> Signup and view all the answers

    What are the examples of derived lipids?

    <p>Sterol, Bile acid</p> Signup and view all the answers

    What is the myelin sheath of the nerves considered as?

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

    From which macronutrient are nonessential fatty acids mainly formed de novo in the animal body?

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

    What is obtained from the hydrolysis of fats?

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

    What does the deficiency of essential fatty acids lead to?

    <p>Dermatitis, fatty liver, impaired growth and reproduction</p> Signup and view all the answers

    What type of fatty acids are linoleic, linolenic, and arachidonic acids?

    <p>Polyunsaturated fatty acids</p> Signup and view all the answers

    What is lauric acid considered as?

    <p>Saturated fatty acid</p> Signup and view all the answers

    Which group of fatty acids includes those formed de novo in the animal body mainly from carbohydrates?

    <p>Nonessential Fatty Acids</p> Signup and view all the answers

    What is the classification of fatty acids based on whether they are formed in the animal body or not?

    <p>Essential Fatty Acids and Nonessential Fatty Acids</p> Signup and view all the answers

    What is the main function of neutral fats?

    <p>Serving as a fuel stored in specialized cells</p> Signup and view all the answers

    Which type of lipids contain other groups in addition to alcohols and fatty acids?

    <p>Compound or conjugated lipids</p> Signup and view all the answers

    What do phospholipids mainly contribute to in the body?

    <p>Building block in cell membrane</p> Signup and view all the answers

    What are the examples of derived lipids?

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

    What is obtained from the hydrolysis of fats?

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

    Which type of lipids are produced by hydrolysis of the above two groups or present in association with them in nature?

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

    What is the main result of the deficiency of essential fatty acids in the diet?

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

    Which type of fatty acids are short, medium, or long chain monocarboxylic acids?

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

    What is obtained from the hydrolysis of fats?

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

    What is the classification of fatty acids based on whether they are formed in the animal body or not?

    <p>Nonessential Fatty Acids</p> Signup and view all the answers

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