Biology: Carbohydrates vs. Lipids
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Questions and Answers

Which element is known to connect with other atoms using 3 or 5 bonds?

  • Oxygen
  • Carbon (correct)
  • Hydrogen
  • Nitrogen
  • What is a characteristic of carbohydrates that distinguishes them from lipids?

  • Higher oxygen content
  • Long-term energy storage
  • 1:2:1 ratio of carbon, hydrogen, and oxygen (correct)
  • Hydrophobic nature
  • What distinguishes lipids from carbohydrates in terms of molecular structure?

  • More carbon and hydrogen atoms (correct)
  • Fewer carbon atoms
  • Higher ratio of oxygen to hydrogen
  • Higher polarity
  • Which statement accurately describes both carbohydrates and lipids?

    <p>Both serve as energy storage molecules</p> Signup and view all the answers

    Which of the following best describes lipids?

    <p>They are non-polar and repel water</p> Signup and view all the answers

    <p>False</p> Signup and view all the answers

    Study Notes

    Element Connections

    • Carbon connects to other atoms with 3 or 5 bonds
    • Carbon is the backbone of organic molecules in all life forms on Earth

    Carbohydrates and Lipids Comparison

    • Similarities (Overlap in Venn Diagram):

      • Both contain Carbon, Hydrogen, and Oxygen (CHO)
      • Both are used for energy storage
    • Carbohydrates (Left Circle):

      • 1:2:1 Carbon-to-Hydrogen-to-Oxygen ratio
      • Polar molecules
      • Hydrophilic (water-loving)
      • Short-term energy storage
    • Lipids (Right Circle):

      • Many Carbon and Hydrogen atoms, few Oxygen atoms
      • Nonpolar molecules
      • Hydrophobic (water-fearing)
      • Long-term energy storage

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    Description

    Explore the differences and similarities between carbohydrates and lipids in this quiz. Learn about their molecular structures, properties, and functions in energy storage and their roles in living organisms.

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