Metabolic reactions
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Questions and Answers

Which one of the following is an example of an anabolic pathway?

  • Lipolysis
  • Glycolysis
  • Fatty acid synthesis (correct)
  • Glycogenolysis

    • Which one of the following is an example of a catabolic pathway?

  • Pentose phosphate shunt
  • Ketogenesis
  • Glycolysis (correct)
  • Gluconeogenesis

    • What is the purpose of the citric acid cycle?

  • To produce ATP through oxidative phosphorylation (correct)
  • To convert pyruvate into acetyl-CoA
  • To synthesize glucose from non-carbohydrate precursors
  • To breakdown glucose into pyruvate

    • Which process involves the breakdown of glycogen in the cytosol to produce glucose?

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

    What is the energy input required for glycogenesis?

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

    What process involves the breakdown of fatty acids into acetyl CoA for energy production?

    <p>Beta oxidation</p> Signup and view all the answers

    What is one reason why triglycerides (TGs) can store more energy compared to glycogen?

    <p>TGs have more carbon atoms</p> Signup and view all the answers

    Which of the following is a catabolic pathway that can feed into the citric acid cycle (CAC) to produce more energy?

    <p>Fatty acid oxidation</p> Signup and view all the answers

    What is the main function of the electron transport chain (ETC) in cellular respiration?

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

    Where does the electron transport chain (ETC) take place in the mitochondria?

    <p>Intermembrane space</p> Signup and view all the answers

    Which process occurs in the cytosol and involves the breakdown of glucose to produce energy in the form of ATP and NADH?

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

    What is the purpose of ketolysis/ketone body oxidation?

    <p>To convert ketone bodies to acetyl CoA</p> Signup and view all the answers

    What is the main site of gluconeogenesis?

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

    Under aerobic conditions, what is the fate of pyruvate?

    <p>Conversion to acetyl CoA</p> Signup and view all the answers

    Which process involves the breakdown of fatty acids into acetyl CoA for energy production?

    <p>Beta oxidation</p> Signup and view all the answers

    What type of energy is produced during the breakdown of fatty acids?

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

    What are fats broken down into during the breakdown of fatty acids?

    <p>Acetyl CoA</p> Signup and view all the answers

    How does lipolysis contribute to energy production?

    <p>By releasing fatty acids for energy</p> Signup and view all the answers

    Based on their structures, why do triglycerides (TGs) take up less space compared to glycogen?

    <p>TGs have longer chains</p> Signup and view all the answers

    What is the main function of ketolysis in energy production?

    <p>To produce acetyl CoA</p> Signup and view all the answers

    What is one connection between excess glucose and fatty acid synthesis?

    <p>Excess glucose is converted into fatty acids</p> Signup and view all the answers

    Which one of the following is an example of a direct cellular energy provider?

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

    Which one of the following is an example of an indirect cellular energy provider?

    <p>Citric acid cycle</p> Signup and view all the answers

    Which one of the following anabolic pathways occurs in the liver and kidney?

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

    Which one of the following catabolic pathways occurs in the cytosol?

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

    Which one of the following is the main purpose of glycolysis under anaerobic conditions?

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

    Which one of the following is NOT a part of the nucleotide structure of ATP?

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

    Which one of the following is the main site of ketogenesis?

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

    Which of the following is an anabolic pathway that involves the synthesis of fatty acids from acetyl CoA?

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

    Where does the pentose phosphate shunt (PPS) occur in the cell?

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

    Which of the following is NOT a product of the citric acid cycle (CAC)?

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

    What is the purpose of the electron transport chain (ETC) in cellular respiration?

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

    Which of the following is a catabolic pathway that breaks down glycogen to release glucose?

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

    What is the main site of gluconeogenesis?

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

    What is the purpose of ketolysis/ketone body oxidation?

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

    Which of the following is NOT a catabolic pathway that can feed into the citric acid cycle (CAC) to produce more energy?

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

    Which of the following is the correct order of the electron carriers in the electron transport chain (ETC)?

    <p>I, II, III, IV</p> Signup and view all the answers

    Where does the citric acid cycle (CAC) take place in the cell?

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

    What is the final electron acceptor in the electron transport chain (ETC)?

    <p>O2</p> Signup and view all the answers

    What is the main function of ATP synthase in the electron transport chain (ETC)?

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

    Which of the following is NOT a product of the citric acid cycle (CAC)?

    <p>Acetyl CoA</p> Signup and view all the answers

    Where does the breakdown of fatty acids into acetyl CoA for energy production occur?

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

    What is the purpose of ketolysis/ketone body oxidation?

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

    Which of the following is NOT a part of the electron transport chain (ETC)?

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

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