Chemistry of Life: Elements, Molecules, and Reactions
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Questions and Answers

What is the definition of a compound?

  • Atoms united by chemical bonds
  • Atoms/Molecules combine
  • Molecule is broken down
  • Two or more like atoms combined chemically (correct)

    • Which type of compounds dissolve in water and have high solubility?

  • Disaccharides
  • Monosaccharides
  • Organic compounds
  • Inorganic compounds (correct)

    • What do organic compounds mainly consist of?

  • Oxygen and nitrogen
  • Magnesium and sulfur
  • Carbon and hydrogen (correct)
  • Sodium and chlorine

    • What is the main function of carbohydrates as biomolecules?

    <p>Used as structural materials, fuels, storage, and transportation of energy</p> Signup and view all the answers

    What is the main function of neutral fats (triglycerides)?

    <p>Providing stored energy</p> Signup and view all the answers

    Which lipid type forms the cell membrane?

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

    From which lipid are steroids derived?

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

    Which type of sugar is a precursor/parent molecule of many other molecules?

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

    What is the main function of chitin?

    <p>Component of exoskeletons in insects and arthropods</p> Signup and view all the answers

    Which carbohydrate is an important polymer for storing sugar in animals?

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

    What is the common feature of all polysaccharides?

    <p>Composed of many molecules of simple sugars linked in long chains</p> Signup and view all the answers

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