Lipids Overview and Functions Quiz
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Questions and Answers

What is the main role of lipids in the body?

  • Formation of polymers
  • Cell signaling
  • Structural support
  • Energy storage (correct)
  • Which of the following is NOT a type of lipid?

  • Waxes
  • Proteins (correct)
  • Phospholipids
  • Sterols
  • Where are saturated fats commonly found?

  • Dairy products
  • Fish oil
  • Palm & coconut oil (correct)
  • Flaxseed oil
  • What type of linkage is found in triacylglycerides?

    <p>Ester linkage</p> Signup and view all the answers

    Which fatty acids are considered essential and commonly found in fish and flaxseed oil?

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

    What is the structure of phospholipids in cell membranes?

    <p>Two fatty acids and a phosphate group</p> Signup and view all the answers

    What are the main types of secondary structure in proteins?

    <p>Alpha helices and beta sheets</p> Signup and view all the answers

    What type of bond maintains the tertiary structure of proteins?

    <p>Disulfide bridge</p> Signup and view all the answers

    What happens to a protein during denaturation?

    <p>It loses its normal function</p> Signup and view all the answers

    Which type of protein functions as a motor?

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

    What is the primary structure of nucleic acids?

    <p>A chain made up of nucleotides</p> Signup and view all the answers

    Which of the following is a main type of nucleic acid?

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

    What type of bond joins disaccharides together?

    <p>Glycosidic linkage</p> Signup and view all the answers

    Which artificial sweetener is approximately 200 times sweeter than sugar?

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

    What is the main difference between starch and cellulose?

    <p>Starch has alpha glucose linkage, cellulose has beta glucose linkage</p> Signup and view all the answers

    What component of the cell uses polysaccharides as energy stores?

    <p>Glycogen granules</p> Signup and view all the answers

    What type of molecules are glycoproteins and glycolipids?

    <p>Carbohydrates bonded to lipids and proteins</p> Signup and view all the answers

    What forms a specific 3D structure in proteins?

    <p>Peptide bonds</p> Signup and view all the answers

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