Biology: Storage Lipids

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Questions and Answers

What are the primary forms of stored energy in living organisms?

  • Proteins
  • Carbohydrates
  • Nucleic acids
  • Derivatives of fatty acids (correct)

What is the main function of storage lipids in living organisms?

  • To store energy (correct)
  • To provide structure to cells
  • To facilitate cell signaling
  • To regulate body temperature

What type of molecules are storage lipids derived from?

  • Glucose molecules
  • Purines
  • Amino acids
  • Fatty acids (correct)

What is the primary role of fatty acid derivatives in living organisms?

<p>To store energy (B)</p> Signup and view all the answers

What is the universal characteristic of fats and oils used for energy storage?

<p>They are derivatives of fatty acids (B)</p> Signup and view all the answers

What happens to the fatty acid when a cis double bond is introduced?

<p>It bends or 'kinks' at that position (D)</p> Signup and view all the answers

What is the effect of a cis double bond on the fatty acid structure?

<p>It causes a kink in the fatty acid chain (C)</p> Signup and view all the answers

What is the result of introducing a cis double bond in a fatty acid?

<p>The fatty acid bends or 'kinks' at that position (D)</p> Signup and view all the answers

What is the effect of a cis double bond on the shape of a fatty acid?

<p>It creates a bend or 'kink' in the fatty acid (A)</p> Signup and view all the answers

What is the characteristic of a fatty acid with a cis double bond?

<p>It has a bend or 'kink' at that position (C)</p> Signup and view all the answers

What is the oxidation state of fatty acids compared to hydrocarbons in fossil fuels?

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

Fatty acids are derived from which type of compound?

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

What characteristic do fatty acids share with hydrocarbons found in fossil fuels?

<p>Low oxidation state (A)</p> Signup and view all the answers

How are fatty acids described in terms of their reduction state?

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

Which property of fatty acids makes them similar to hydrocarbons in fossil fuels?

<p>Highly reduced state (B)</p> Signup and view all the answers

What are the final products of cellular oxidation of fatty acids?

<p>CO2 and H2O (C)</p> Signup and view all the answers

What is the similarity between the cellular oxidation of fatty acids and the burning of fossil fuels in internal combustion engines?

<p>Both processes are highly exergonic (C)</p> Signup and view all the answers

What type of reaction occurs during the cellular oxidation of fatty acids?

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

Which of the following is NOT a common end product of fatty acid oxidation?

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

In what type of organisms are fatty acids most commonly found?

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

How are double bonds spaced in a fatty acid with multiple double bonds?

<p>At three-carbon intervals (A)</p> Signup and view all the answers

What interval exists between double bonds in polyunsaturated fatty acids?

<p>Three-carbon (C)</p> Signup and view all the answers

What is unique about the spacing of double bonds in certain fatty acids?

<p>They are always at three-carbon intervals (C)</p> Signup and view all the answers

In a polyunsaturated fatty acid with two or more double bonds, how are these bonds distributed along the carbon chain?

<p>They are spaced at three-carbon intervals (A)</p> Signup and view all the answers

Which statement is true about double bonds in polyunsaturated fatty acids?

<p>They are at every third carbon (D)</p> Signup and view all the answers

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