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Glycolysis and Glucose Transporters Quiz
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Glycolysis and Glucose Transporters Quiz

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Questions and Answers

What is the primary organ that synthesizes glucose in the body?

  • Liver (correct)
  • Lungs
  • Heart
  • Kidney

    • What happens when pyruvate enters the mitochondria?

  • It is directly converted into glucose
  • It is broken down into CO2 and water
  • It is converted into Oxaloacetate (OAA) by pyruvate dehydrogenase
  • It is converted into 4-Carbon Oxaloacetate (OAA) by pyruvate carboxylase (correct)

    • Which enzyme converts Oxaloacetate (OAA) to Phosphoenolpyruvate (PEP) in the cytoplasm during gluconeogenesis?

  • ATP synthase
  • PEP carboxykinase (correct)
  • Glucokinase
  • Pyruvate dehydrogenase

    • How many irreversible kinase enzymes are present in the glycolysis pathway?

    <p>3</p> Signup and view all the answers

    Which amino acids can be used as a source for glucose production during prolonged fasting?

    <p>Lysine and Leucine</p> Signup and view all the answers

    Which process is regulated by glucagon at a genetic level?

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

    What is the role of ATP in the conversion of pyruvate to Oxaloacetate (OAA)?

    <p>$ATP provides energy for the conversion$</p> Signup and view all the answers

    During fasting, what compounds does the liver use to synthesize glucose besides amino acids?

    <p>$Fatty acids$</p> Signup and view all the answers

    $What happens to PEP after it is synthesized during gluconeogenesis?$

    <p>$PEP is directly converted into glucose$</p> Signup and view all the answers

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