Y1S2 010 I Biochem Glycolysis: Cellular Energy Production
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Questions and Answers

What is the primary purpose of glycolysis in cells?

  • To generate energy in the form of ATP and intermediates for other metabolic pathways (correct)
  • To store energy in the form of glycogen
  • To synthesize glucose from non-carbohydrate carbon substrates
  • To convert lactate into pyruvate

    • Where does glycolysis occur in the cell?

  • Cell cytosol (correct)
  • Mitochondria
  • Golgi apparatus
  • Endoplasmic reticulum

    • What is the end product of glycolysis under anaerobic conditions?

  • Pyruvate
  • Lactate (correct)
  • Glucose
  • Glyceraldehyde-3-phosphate

    • What is the purpose of gluconeogenesis?

    <p>To synthesize glucose from non-carbohydrate carbon substrates</p> Signup and view all the answers

    What is the committed step of glycolysis?

    <p>It is not specified</p> Signup and view all the answers

    What is the net ATP gain in glycolysis?

    <p>2 ATP</p> Signup and view all the answers

    What is the normal blood glucose value?

    <p>65-100 mg/dL</p> Signup and view all the answers

    What is the main cause of Type 1 diabetes?

    <p>Inability to produce enough insulin</p> Signup and view all the answers

    What is the purpose of the Oral Glucose Tolerance Test (OGTT)?

    <p>To diagnose diabetes mellitus</p> Signup and view all the answers

    What is the purpose of the HbA1c test?

    <p>To reflect average blood sugar level over 2-3 months</p> Signup and view all the answers

    What is the process of breaking down glycogen into glucose?

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

    What is the estimated glucose level range that indicates diabetes mellitus?

    <p>≥ 6.5 %</p> Signup and view all the answers

    What is the primary condition under which muscles utilize a particular process to generate ATP?

    <p>When ATP demand is high and oxygen availability is low</p> Signup and view all the answers

    What is the purpose of the Cori cycle in the body?

    <p>To prevent lactate accumulation in the muscle</p> Signup and view all the answers

    Which hormone inhibits glucose-consuming pathways?

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

    What is the effect of insulin on glucose levels in the blood?

    <p>Decreases glucose levels</p> Signup and view all the answers

    What is the characteristic of diabetes mellitus?

    <p>A chronic disorder of carbohydrate, fat, and protein metabolism</p> Signup and view all the answers

    Which process is stimulated by glucagon in the liver?

    <p>Glycogen breakdown</p> Signup and view all the answers

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