Metabolism and Nutrition: Overview of Metabolic Reactions
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Questions and Answers

What percentage of the energy used during ATP production creates heat?

  • 50%
  • 60% (correct)
  • 70%
  • 40%

    • At what temperature is a naked human comfortable (thermoneutral)?

  • 84 degrees (correct)
  • 90 degrees
  • 72 degrees
  • 78 degrees

    • What percentage of heat is lost through radiation?

  • 20%
  • 15%
  • 60% (correct)
  • 3%

    • Which of the following is NOT a factor contributing to the Basal Metabolic Rate (BMR)?

    <p>Environmental temperature</p> Signup and view all the answers

    How many calories are equivalent to one pound of fat?

    <p>3500 calories</p> Signup and view all the answers

    Which of the following vitamins are fat-soluble?

    <p>Vitamins A, D, E, and K</p> Signup and view all the answers

    What is the primary role of catabolic reactions?

    <p>Breaking down molecules to release energy</p> Signup and view all the answers

    What is the energy currency of the body?

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

    During glycolysis, how many ATP molecules are produced from one glucose molecule?

    <p>4 ATP</p> Signup and view all the answers

    What is the primary function of the Krebs cycle?

    <p>Breaking down citric acid to produce energy</p> Signup and view all the answers

    What is the primary role of the electron transport chain (ETC)?

    <p>Producing ATP from NADH and FADH2</p> Signup and view all the answers

    Which of the following is involved in gluconeogenesis?

    <p>Producing glucose from non-carbohydrate sources</p> Signup and view all the answers

    What is the primary function of thermoregulation?

    <p>Regulating body temperature</p> Signup and view all the answers

    Which hormone is considered anabolic?

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

    What is the end product of anaerobic glycolysis?

    <p>Lactic acid</p> Signup and view all the answers

    What is the primary role of redox reactions in cellular respiration?

    <p>Transferring electrons between molecules</p> Signup and view all the answers

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