Biology Chapter on Macromolecules
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Questions and Answers

What process breaks down polymers into monomers?

  • Dehydration synthesis
  • Phosphorylation
  • Polymerization
  • Hydrolysis (correct)

    • What is produced when ATP is converted to ADP?

  • Oxygen is consumed
  • Energy is released (correct)
  • Carbon dioxide is released
  • Energy is absorbed

    • Which of the following best describes a saturated fatty acid?

  • Has the maximum number of hydrogen atoms (correct)
  • Lacks hydrogen atoms
  • Is typically liquid at room temperature
  • Contains one or more double bonds

    • How do carbohydrates and lipids compare in function?

    <p>Both can store energy, but carbohydrates are also structural</p> Signup and view all the answers

    What structure forms the 'rungs' of the DNA ladder?

    <p>Nitrogenous base pairs</p> Signup and view all the answers

    What defines an isotope of an element?

    <p>Same number of protons but different number of neutrons.</p> Signup and view all the answers

    Which type of bond is primarily formed by the sharing of electrons between atoms?

    <p>Covalent bond</p> Signup and view all the answers

    Why are some substances considered hydrophilic?

    <p>They have positive and negative charges that attract water molecules.</p> Signup and view all the answers

    Which biomolecule is primarily used for energy storage in animals?

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

    What distinguishes amphipathic molecules from other types of molecules?

    <p>They have both hydrophobic and hydrophilic regions.</p> Signup and view all the answers

    Which of the following best describes the term 'monomer'?

    <p>A single molecular unit that can join to form polymers.</p> Signup and view all the answers

    What is a key feature of substances that exhibit cohesion?

    <p>They tend to stick together due to intermolecular forces.</p> Signup and view all the answers

    What do ionic bonds primarily result from?

    <p>The transfer of electrons from one atom to another.</p> Signup and view all the answers

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