Lipids: Chemistry, Digestion & Absorption
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Lipids: Chemistry, Digestion & Absorption

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Questions and Answers

What type of compounds are lipids?

  • Acidic
  • Non-polar (hydrophobic) (correct)
  • Basic
  • Polar (hydrophilic)

    • Where are lipids present in the body?

  • In the bloodstream only
  • As membrane-associated, in lipoproteins, or in droplets of triglycerides in adipose tissues (correct)
  • Exclusively in adipose tissues
  • In the bones

    • What is the major function of lipids in the body?

  • Oxygen transport
  • Immune defense
  • Energy storage (correct)
  • Structural support

    • What is the effect of a cis double bond in a fatty acid chain?

    <p>It introduces a kink in the chain</p> Signup and view all the answers

    In which part of the body does digestion of lipids start?

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

    What are the acid-stable enzymes responsible for lipid digestion in the stomach?

    <p>&quot;Lingual lipase and gastric lipase&quot;</p> Signup and view all the answers

    Which type of solvents are lipids soluble in?

    <p>Organic solvents</p> Signup and view all the answers

    What is the main source of energy provided by lipids?

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

    What is the role of prostaglandins and steroid hormones?

    <p>Body's homeostasis</p> Signup and view all the answers

    What is the effect of a cis double bond in a fatty acid chain?

    <p>Causes a kink in the chain</p> Signup and view all the answers

    What are the enzymes responsible for lipid digestion in the stomach called?

    <p>Acid lipases</p> Signup and view all the answers

    What is the approximate daily intake of triglycerides compared to other lipid types?

    <p>90%</p> Signup and view all the answers

    Where does digestion of lipids start in the body?

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

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