Derived Lipids
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Questions and Answers

Which type of fatty acids have carbon atoms in series like 2, 4, 6?

  • Branched chain fatty acids
  • Saturated fatty acids
  • Odd chain fatty acids
  • Even chain fatty acids (correct)
  • What is the molecular formula for saturated fatty acids?

  • CH3-(CH2)n-COOH (correct)
  • -CH2-CH2-CH2
  • Aliphatic carboxylic acids
  • R-COOH
  • Where are odd chain fatty acids commonly found?

  • Milk
  • Ester linkage in lipids
  • Human body
  • Microbial cell walls (correct)
  • Which type of fatty acids have a hydrocarbon chain with no double bonds?

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

    What is the nature of free fatty acids formed in the human body during metabolism?

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

    What is the common feature of even carbon acids?

    <p>They carry an even number of carbons</p> Signup and view all the answers

    Which system is widely used by nutritionists to designate the position of double bonds in fatty acids?

    <p>ω system</p> Signup and view all the answers

    How are monoenoic or monounsaturated fatty acids characterized?

    <p>They carry a single double bond</p> Signup and view all the answers

    What naming system represents the position of a double bond between carbon atoms 9 and 10 in a C 18 fatty acid?

    <p>Δ system</p> Signup and view all the answers

    What is the common feature of essential fatty acids?

    <p>They cannot be synthesized by the body</p> Signup and view all the answers

    Study Notes

    Fatty Acids

    • Omega-3 fatty acids have carbon atoms in series like 2, 4, 6.

    Saturated Fatty Acids

    • The molecular formula for saturated fatty acids is CnH2n+2.
    • Saturated fatty acids have a hydrocarbon chain with no double bonds.

    Odd Chain Fatty Acids

    • Odd chain fatty acids are commonly found in ruminant fat and some microbial lipids.

    Free Fatty Acids

    • Free fatty acids formed in the human body during metabolism are acidic in nature.

    Even Carbon Acids

    • The common feature of even carbon acids is that they have an even number of carbon atoms.

    Designating Double Bonds

    • The Δ (delta) system is widely used by nutritionists to designate the position of double bonds in fatty acids.

    Monoenoic Fatty Acids

    • Monoenoic or monounsaturated fatty acids are characterized by having a single double bond in their hydrocarbon chain.

    Naming System for Fatty Acids

    • The Δ (delta) naming system represents the position of a double bond between carbon atoms 9 and 10 in a C18 fatty acid as Δ⁹.

    Essential Fatty Acids

    • The common feature of essential fatty acids is that they cannot be synthesized by the human body and must be obtained through the diet.

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    Description

    Learn about derived lipids which are the products obtained after the hydrolysis of simple and compound lipids, including fatty acids, alcohols, steroids, cholesterol, lipid-soluble vitamins, hormones, and ketone bodies. Understand the characteristics and components of these derived lipids.

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