Lipid Classification and Structure
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Questions and Answers

What is the typical number of carbon atoms found in fatty acids?

  • 2-30 (correct)
  • 5-25
  • 7-35
  • 1-15

What is the difference between saturated and unsaturated fatty acids?

  • Saturated fatty acids have ringed structures while unsaturated fatty acids have linear structures
  • Saturated fatty acids have no double bonds while unsaturated fatty acids have up to 6 double bonds (correct)
  • Saturated fatty acids have acidic groups while unsaturated fatty acids have basic groups
  • Saturated fatty acids have branched chains while unsaturated fatty acids have straight chains

What is the relation between the number of carbon atoms in a fatty acid and its melting point?

  • The melting point decreases with an increase in the number of carbon atoms
  • The melting point is independent of the number of carbon atoms
  • The melting point remains constant with an increase in the number of carbon atoms
  • The melting point increases with an increase in the number of carbon atoms (correct)

What is the primary difference between animal fats and plant fats?

<p>Animal fats are solids while plant fats are liquids (B)</p> Signup and view all the answers

What is the specific gravity of fats and oils?

<p>0.8 (C)</p> Signup and view all the answers

What is the characteristic of waxes found in nature?

<p>They are widespread as protective coatings (D)</p> Signup and view all the answers

What is the relation between the number of carbon atoms in a fatty acid and its solubility in organic solvents?

<p>Solubility increases with an increase in the number of carbon atoms (B)</p> Signup and view all the answers

What is the characteristic of oleic acid?

<p>It is an unsaturated fatty acid with a double bond between C9 and C10 (C)</p> Signup and view all the answers

What is the primary difference between fats and oils?

<p>Fats are solid at room temperature while oils are liquids (A)</p> Signup and view all the answers

What is the shape of fatty acid chains in animals?

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

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