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 (D)</p> Signup and view all the answers

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

<p>38 ATP (B)</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 (A)</p> Signup and view all the answers

What is the primary function of catabolic reactions?

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

Which of the following is true about ATP?

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

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

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

Which of the following hormones is considered catabolic?

<p>Cortisol (B)</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 (B)</p> Signup and view all the answers

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

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

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