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

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

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

What is the common feature of even carbon acids?

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

How are monoenoic or monounsaturated fatty acids characterized?

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

What is the common feature of essential fatty acids?

<p>They cannot be synthesized by the body (A)</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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