Biology Chapter 6: Chemistry of Lipids

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Questions and Answers

What are lipids present in?

  • All cells and tissues (correct)
  • Only in muscle cells
  • Only in nervous tissues
  • Only in adipose tissue

What is the function of lipids in cells?

  • To store genetic information
  • To carry out messages from hormones (correct)
  • To provide energy
  • To synthesize proteins

What is the term for lipids that can be broken down into fatty acids and glycerol?

  • Saponifiable lipids (correct)
  • Phospholipids
  • Nonsaponifiable lipids
  • Glycolipids

What is the molecular formula for glycerol?

<p>C3H8O3 (B)</p> Signup and view all the answers

What is the ratio of hydrogen atoms to oxygen atoms in glycerol?

<p>2:1 (C)</p> Signup and view all the answers

What is the term for the process of breaking down triglycerides into fatty acids and glycerol?

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

What is the term for lipids that are not broken down into fatty acids and glycerol?

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

What is the term for lipids that are found in the brain and nervous system?

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

What is the term for fatty acids that are necessary for human health?

<p>Essential fatty acids (C)</p> Signup and view all the answers

What is the term for the process of adding hydrogen to unsaturated fatty acids to make them saturated?

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

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