Cellular Energetics and Enzymes Quiz
12 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of catabolic pathways in metabolic processes?

  • To transform kinetic energy into thermal energy
  • To release energy by breaking down complex molecules (correct)
  • To increase the entropy of the universe
  • To consume energy by building complex molecules
  • Which type of energy is available for release in a chemical reaction?

  • Chemical energy (correct)
  • Potential energy
  • Thermal energy
  • Kinetic energy
  • What is the consequence of a loss in the flow of energy in an organism?

  • Death (correct)
  • Transformation of energy into a different form
  • Increased kinetic energy
  • Increased entropy
  • What determines whether a reaction is spontaneous or not?

    <p>The free energy change</p> Signup and view all the answers

    What is the result of energy transformation according to the second law of thermodynamics?

    <p>Increased entropy (disorder) of the universe</p> Signup and view all the answers

    What is the definition of metabolism in an organism?

    <p>All of the chemical reactions in an organism</p> Signup and view all the answers

    What is the primary role of enzymes in chemical reactions?

    <p>To lower the activation energy of a reaction without altering ∆G</p> Signup and view all the answers

    Which type of inhibitor binds to the active site of an enzyme, preventing the binding of the substrate?

    <p>Competitive inhibitor</p> Signup and view all the answers

    What is the characteristic of an endergonic reaction?

    <p>It consumes energy from the surroundings</p> Signup and view all the answers

    What is the effect of increasing the concentration of an enzyme on a reaction?

    <p>It increases the rate of the reaction</p> Signup and view all the answers

    What is the purpose of the allosteric site on an enzyme?

    <p>To bind noncompetitive inhibitors and regulate enzyme activity</p> Signup and view all the answers

    Which process is an example of an exergonic reaction?

    <p>Cellular respiration</p> Signup and view all the answers

    More Like This

    Biology Fundamentals: Genetics and Enzymes
    32 questions
    Biology Chapter 5 Quiz
    5 questions

    Biology Chapter 5 Quiz

    FortunateNephrite4436 avatar
    FortunateNephrite4436
    Biology Chapter on Microscopes and Methods
    5 questions
    Use Quizgecko on...
    Browser
    Browser