Lipids: Chemistry and Metabolism
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Questions and Answers

What is the main reason that lipids are insoluble in water?

  • The formation of hydrogen bonds with water molecules
  • The predominance of hydrocarbon chains in their structure (correct)
  • The high density of lipids
  • The presence of polar functional groups

    • Which function is NOT associated with lipids?

  • Acting as metabolic regulators
  • Acting as thermal insulators
  • Serving as a source of vitamins C and D (correct)
  • Storing energy

    • Where are lipoproteins found in the body?

  • Digestive system
  • Blood plasma only
  • Brain tissue
  • Cell membrane and mitochondria (correct)

    • What role do nonpolar lipids play in nerve function?

    <p>Acting as electrical insulators for rapid depolarization propagation</p> Signup and view all the answers

    What is the primary characteristic that allows lipids to serve as thermal insulators?

    <p>Their low thermal conductivity</p> Signup and view all the answers

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