Biology - Section 1.3 An Introduction To Metabolism Quiz

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SBI 4U1: BIOLOGY - CHAPTER 1: SECTION 1. 3 AN INTRODUCTION TO METABOLISM QUIZThis quiz was created by Ryan Flores based on the content within the Nelson Biology 12 textbook. Quiz password: biology12 Please report any mistakes/discrepancies.


Questions and Answers
  • 1. 
    Defined, a catabolic reaction is:
    • A. 

      When cells build complex substances from simpler subunits

    • B. 

      When cells build simpler substances from simpler subunits

    • C. 

      Reactions that result in the synthesis of complex substances

    • D. 

      Reactions that result in the breakdown of complex substances

  • 2. 
    Defined, an anabolic reaction is:
    • A. 

      When cells build complex substances from simpler subunits

    • B. 

      When cells build simpler substances from simpler subunits

    • C. 

      Reactions that result in the synthesis of complex substances

    • D. 

      Reactions that result in the breakdown of complex substances

  • 3. 
    Defined, metabolism is the sum of:
    • A. 

      All the anabolic processes occurring within a cell/organism

    • B. 

      All the anabolic and catabolic processes occurring within a cell/organism

    • C. 

      All the catabolic processes occurring within a cell/organism

    • D. 

      All the anabolic and catabolic processes surrounding the cell/organism

  • 4. 
    All forms of energy can be classified as:
    • A. 

      Kinetic energy

    • B. 

      Potential energy

    • C. 

      Kinetic or potential energy

    • D. 

      Higher kinetic energy

  • 5. 
    Work is done when energy is transferred from one body or place to another. True or false?
    • A. 

      True

    • B. 

      False

  • 6. 
    The First Law of Thermodynamics states:1. The total amount of energy in the universe is constant.2. Energy can be created and destroyed, but cannot be converted from one form to another.3. The entropy of the universe increases with any change that occurs.4. If an object or process gains an amount of energy, it does so at the expense of a loss in energy somewhere else in the universe.
    • A. 

      1 and 3

    • B. 

      1, 2 and 4

    • C. 

      1, 3 and 4

    • D. 

      1 and 4

  • 7. 
    A diver jumps off a diving tower. When will the diver have highest kinetic energy?
    • A. 

      At the top of the diving tower

    • B. 

      Just when the diver approaches the water

    • C. 

      Just after the diver jumps off the diving tower

    • D. 

      When the diver is in the water

  • 8. 
    Nature does provide energy in a readily usable form. True or false?
    • A. 

      True

    • B. 

      False

  • 9. 
    Chemical potential energy is an important form of energy in living systems. True or false?
    • A. 

      True

    • B. 

      False

  • 10. 
    The measure of the stability of a covalent bond is called:
    • A. 

      Covalent energy

    • B. 

      Bond energy

    • C. 

      Kinetic energy

    • D. 

      Potential energy

  • 11. 
    Bond energy is measured in kilojoules (kJ), and is equal to the minimum energy required to break one of bonds between two types of atoms. It is also equal to the amount of energy released when a bond is formed.
    • A. 

      True

    • B. 

      False

  • 12. 
    The energy required to break a bond is not equivalent to the relative stability of the bond. True or false?
    • A. 

      True

    • B. 

      False

  • 13. 
    When reactant bonds break:
    • A. 

      Energy is released

    • B. 

      Energy is absorbed

    • C. 

      Energy is released, and then absorbed back

    • D. 

      Nothing happens to the energy level

  • 14. 
    When product bonds form:
    • A. 

      Energy is released

    • B. 

      Energy is absorbed

    • C. 

      Energy is released, and then absorbed back

    • D. 

      Nothing happens to the energy level

  • 15. 
    What kind of diagram shows the potential energy that takes place during a chemical reaction?
    • A. 

      Free body diagram

    • B. 

      Kinetic energy diagram

    • C. 

      Potential energy diagram

    • D. 

      High potential energy diagram

  • 16. 
    The amount of energy needed to strain and break the reactants' bond is equal to the difference between the potential energy level of the transition state and the potential energy of the reactants. This is the definition of which term?
    • A. 

      Activation point

    • B. 

      Kinetic energy

    • C. 

      Transition state

    • D. 

      Activation energy

  • 17. 
    Defined, transition state is:
    • A. 

      A temporary condition in which the bonds within reactants are forming and bonds between products are breaking

    • B. 

      A temporary condition in which the bonds within reactants are breaking and bonds between products are forming

    • C. 

      A temporary condition in which the energy within reactants is disassociating

    • D. 

      A temporary condition when nothing happens in the reaction

  • 18. 
    More energy is released during bond formation than during bond breaking if:
    • A. 

      The bonds in products and the bonds in reactants are stable

    • B. 

      The bonds in products are more stable than those in the reactants

    • C. 

      The bonds in products are less stable than those in the reactants

    • D. 

      The bonds in products and the bonds in reactants are not stable

  • 19. 
    When a reaction results in a net energy output, it is called a/an:
    • A. 

      Endothermic reaction

    • B. 

      Exothermic reaction

    • C. 

      Slow reaction

    • D. 

      Fast reaction

  • 20. 
    The amount of energy absorbed in breaking reactants is greater than the energy released in the formation of product bonds. This results in a net absorption of energy. True or false?
    • A. 

      True

    • B. 

      False

  • 21. 
    When a reaction results in a net absorption of energy, it is called a/an:
    • A. 

      Endothermic reaction

    • B. 

      Exothermic reaction

    • C. 

      Slow reaction

    • D. 

      Fast reaction

  • 22. 
    The overall change in energy that occurs in a chemical reaction is called:
    • A. 

      Entropy of reaction

    • B. 

      Transition state

    • C. 

      Enthalpy of reaction

    • D. 

      None of the above

  • 23. 
    A value of delta H is positive for exothermic reactions, and negative for endothermic reactions. True or false?
    • A. 

      True

    • B. 

      False

  • 24. 
    In an exothermic reaction, the chemical potential energy is lower in the products than in the reactants. True or false?
    • A. 

      True

    • B. 

      False

  • 25. 
    In an endothermic reaction, the chemical potential energy in the reactants is lower than in the products. True or false?
    • A. 

      True

    • B. 

      False