Introduction to Metabolism Overview Quiz
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Questions and Answers

According to the first law of thermodynamics, what can be said about the energy of the universe?

  • It can only be transformed, not transferred
  • It can be created or destroyed
  • It decreases over time
  • It remains constant and cannot be created or destroyed (correct)
  • In an open system, what can be transferred between the system and its surroundings?

  • Only energy
  • Both energy and matter (correct)
  • Neither energy nor matter
  • Only matter
  • What does the second law of thermodynamics state about every energy transfer or transformation?

  • Heat is always converted to chemical energy
  • Entropy decreases in the universe
  • Energy remains unchanged in the universe
  • Some energy is lost as heat (correct)
  • What is the study of energy transformations known as?

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

    What do living cells unavoidably convert organized forms of energy into?

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

    What form does energy flow into an ecosystem and exit from it?

    <p>Light and heat energy</p> Signup and view all the answers

    What does the evolution of more complex organisms not violate according to Figure 8.4?

    <p>The second law of thermodynamics</p> Signup and view all the answers

    What is the totality of an organism's chemical reactions?

    <p>Metabolic pathway</p> Signup and view all the answers

    Which pathway releases energy by breaking down complex molecules into simpler compounds?

    <p>Catabolic pathway</p> Signup and view all the answers

    What is the breakdown of glucose in the presence of oxygen an example of?

    <p>Catabolic pathway</p> Signup and view all the answers

    Which form of energy is associated with motion?

    <p>Kinetic energy</p> Signup and view all the answers

    What is the study of how organisms manage their energy resources called?

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

    Which type of reaction consumes energy to build complex molecules from simpler ones?

    <p>Anabolic pathway</p> Signup and view all the answers

    What is the potential energy available for release in a chemical reaction called?

    <p>Chemical energy</p> Signup and view all the answers

    In which pathway does the synthesis of protein from amino acids occur?

    <p>Anabolic pathway</p> Signup and view all the answers

    What is energy that matter possesses because of its location or structure called?

    <p>Potential energy</p> Signup and view all the answers

    Which type of reaction transforms matter and energy, subject to the laws of thermodynamics?

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

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