Overview of Metabolic Reactions: Catabolic and Anabolic Pathways
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Questions and Answers

What percentage of energy used during ATP production creates heat?

  • 60% (correct)
  • 50%
  • 80%
  • 70%
  • Which of the following is NOT a mode of heat transfer mentioned in the text?

  • Absorption (correct)
  • Conduction
  • Radiation
  • Convection
  • What percentage of heat is lost through radiation in a naked human?

  • 3%
  • 60% (correct)
  • 20%
  • 15%
  • Which of the following is NOT a factor contributing to the Basal Metabolic Rate (BMR)?

    <p>Digestion</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 is fat-soluble?

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

    Which type of reaction involves producing larger molecules using the energy from catabolism?

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

    In carbohydrate metabolism, what happens to pyruvate if oxygen is present?

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

    Which hormone is primarily anabolic in its metabolic effects?

    <p>Growth hormone</p> Signup and view all the answers

    What is the primary function of the electron transport chain in cellular metabolism?

    <p>Generate ATP through oxidative phosphorylation</p> Signup and view all the answers

    What is the process of creating glucose in the liver from non-carbohydrate precursors called?

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

    In lipid metabolism, what role does cholecystokinin (CCK) play?

    <p>Suppresses hunger and stimulates enzyme release</p> Signup and view all the answers

    What is the primary purpose of ketone bodies in metabolism?

    <p>Fuel when glucose availability is low</p> Signup and view all the answers

    How are excess amino acids typically dealt with in the body?

    <p>'Wasted' as nitrogenous waste</p> Signup and view all the answers

    What is the primary metabolic state when the body is digesting and absorbing food, with anabolism exceeding catabolism?

    <p>Absorptive state</p> Signup and view all the answers

    Why is nitrogen processed through the urea cycle when dealing with excess amino acids?

    <p>To remove toxic nitrogen waste from the body</p> Signup and view all the answers

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