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Questions and Answers

What is the primary purpose of glycolysis in cellular metabolism?

  • To synthesize glucose from pyruvate
  • To produce oxygen for cellular respiration
  • To convert glucose into pyruvate and generate energy (correct)
  • To break down fatty acids for energy
  • Which enzyme catalyzes the conversion of glucose to glucose-6-phosphate in glycolysis?

  • Aldolase
  • Pyruvate Kinase
  • Hexokinase (correct)
  • Phosphofructokinase
  • During glycolysis, how many molecules of ATP are produced per molecule of glucose?

  • 4
  • 6
  • 1
  • 2 (correct)
  • Which of the following tissues relies exclusively on glycolysis for energy?

    <p>Red Blood Cells</p> Signup and view all the answers

    What is the end product of glycolysis?

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

    What role does phosphofructokinase play in glycolysis?

    <p>It catalyzes a key regulatory step in the pathway</p> Signup and view all the answers

    In glycolysis, NADH is produced during the conversion of which compound?

    <p>Glyceraldehyde-3-phosphate</p> Signup and view all the answers

    Which molecule serves as a source of acetyl-CoA for fatty acid synthesis in glycolysis?

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

    What is the main end product of glycolysis?

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

    Which enzyme converts glucose to glucose-6-phosphate in glycolysis?

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

    Which of the following molecules is produced during glycolysis?

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

    Which tissue relies exclusively on glycolysis for energy?

    <p>Red blood cells</p> Signup and view all the answers

    What is the significance of phosphofructokinase in glycolysis?

    <p>It is the key regulatory enzyme.</p> Signup and view all the answers

    How many ATP molecules are generated from one molecule of glucose during glycolysis?

    <p>4 ATP</p> Signup and view all the answers

    What intermediate is formed during the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate?

    <p>Glyceraldehyde-3-phosphate</p> Signup and view all the answers

    Which product of glycolysis can be used for fatty acid synthesis in the liver?

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

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