Foundations of Biochemistry: Genetic and Evolutionary Aspects Quiz
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Foundations of Biochemistry: Genetic and Evolutionary Aspects Quiz

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Questions and Answers

What is the relationship between ∆G, ∆H, and ∆S in the free energy change equation?

  • ∆G = ∆H * T∆S
  • ∆G = ∆H + T∆S
  • ∆G = ∆H / T∆S
  • ∆G = ∆H - T∆S (correct)

    • What is the role of activation energy (Ea) in chemical reactions?

  • It is the total energy released in a reaction.
  • It is the energy required to initiate a reaction. (correct)
  • It is the same as free energy change (∆G).
  • It provides energy at the end of a reaction.

    • Which type of reaction absorbs energy and has a positive free energy change?

  • Exergonic reaction
  • Catabolic reaction
  • Activation reaction
  • Endergonic reaction (correct)

    • What is the primary function of ATP in biological systems?

    <p>To convert exergonic reactions to endergonic reactions</p> Signup and view all the answers

    In a favorable reaction, what is the sign of the free energy change (∆G)?

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

    What is the term used for a chemical reaction that loses energy during its process?

    <p>Exergonic reaction</p> Signup and view all the answers

    Which foundation of biochemistry includes studying thermodynamic aspects of biological systems?

    <p>Physical (thermodynamic) foundation</p> Signup and view all the answers

    'Coupling of Exergonic & Endergonic Reactions' refers to linking reactions based on differences in what parameter?

    <p>Free energy change (∆G)</p> Signup and view all the answers

    What does an endergonic reaction require to proceed?

    <p>Energy input</p> Signup and view all the answers

    Which type of reaction typically involves building complex molecules from simpler ones?

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

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