Metabolism and Nutrition Chapter 24.1 Quiz
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Questions and Answers

What percentage of the energy used during ATP production is converted to heat?

  • 60% (correct)
  • 10%
  • 80%
  • 40%
  • Which of the following is the primary mode of heat transfer that accounts for 60% of heat loss from the human body?

  • Radiation (correct)
  • Evaporation
  • Convection
  • Conduction
  • What percentage of the body's energy expenditure is attributed to thermoregulation?

  • 10% (correct)
  • 90%
  • 20%
  • 70%
  • Which of the following vitamins is considered water-soluble?

    <p>Vitamin B</p> Signup and view all the answers

    What is the relationship between energy consumed and energy expended, as it relates to weight gain or loss?

    <p>Energy consumed minus energy expended equals weight gain or loss, and 3500 calories is 1 pound of fat.</p> Signup and view all the answers

    Which of the following is the primary component of the body's Basal Metabolic Rate (BMR)?

    <p>Basic organ function</p> Signup and view all the answers

    What is the main function of catabolic reactions in metabolism?

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

    Which of the following hormones is classified as anabolic in the context of metabolism?

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

    In carbohydrate metabolism, what is the fate of pyruvate if oxygen is present?

    <p>Enters the Krebs cycle</p> Signup and view all the answers

    What is the primary function of the electron transport chain (ETC) in metabolism?

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

    Which molecule is NOT involved in gluconeogenesis?

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

    What is the role of ATP in metabolism?

    <p>Energy currency of the body</p> Signup and view all the answers

    Which of the following is true about anabolic reactions in metabolism?

    <p>Form larger molecules using energy</p> Signup and view all the answers

    In the Krebs cycle, what is the end product that starts the cycle over again?

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

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