Metabolism and Nutrition Chapter 24.1 Quiz
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Questions and Answers

What is the net result of glycolysis?

  • 4 ATP, 4 NADH, and 4 pyruvate molecules
  • 2 ATP, 4 NADH, and 2 pyruvate molecules
  • 4 ATP, 2 NADH, and 2 pyruvate molecules (correct)
  • 2 ATP, 2 NADH, and 2 pyruvate molecules

    • What happens to pyruvate in the presence of oxygen?

  • Pyruvate is used to produce more ATP in the electron transport chain
  • Pyruvate enters the Krebs cycle (correct)
  • Pyruvate is converted to lactic acid, generating 1 ATP
  • Pyruvate is used to form acetyl CoA

    • What is the primary function of the Krebs cycle?

  • To regenerate oxaloacetate (correct)
  • To produce ATP
  • To produce NADH and FADH2
  • To convert pyruvate into acetyl CoA

    • What is the role of the electron transport chain?

    <p>All of the above</p> Signup and view all the answers

    What is the end result of the complete oxidation of glucose?

    <p>38 ATP</p> Signup and view all the answers

    What is the purpose of the Coenzyme A (CoA) in the Krebs cycle?

    <p>To transport acetyl groups</p> Signup and view all the answers

    What is the primary function of catabolic reactions?

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

    Which of the following is true about ATP?

    <p>It is the energy currency of the body</p> Signup and view all the answers

    Which of the following is an example of an anabolic reaction?

    <p>Forming polysaccharides from monosaccharides</p> Signup and view all the answers

    Which of the following hormones is considered catabolic?

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

    What is the role of oxidation-reduction (redox) reactions in metabolism?

    <p>To combine ADP and phosphate to form ATP</p> Signup and view all the answers

    Which of the following is not a step in carbohydrate metabolism?

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

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