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Home Biochemistry Glycolysis Comments

  • Question
  • A kinase is an enzyme that


  • Options
  • A. removes phosphate groups of substrates
  • B. uses ATP to add a phosphate group to the substrate
  • C. uses NADH to change the oxidation state of the substrate
  • D. removes water from a double bond

  • Correct Answer
  • uses ATP to add a phosphate group to the substrate 


  • Glycolysis problems


    Search Results


    • 1. Which of the following could act as an uncoupler of electron transport and ATP synthesis?

    • Options
    • A. The Fo base-piece of ATP synthase (without the Fl subunit)
    • B. Dinitrophenol
    • C. neither (a) nor (b)
    • D. Both (a) and (b)
    • Discuss
    • 2. When concentration of the reactants is higher than the equilibrium concentration then

    • Options
    • A. the gibbs free energy will be positive
    • B. the gibbs free energy will be negative
    • C. more products will be formed
    • D. both (b) and (c)
    • Discuss
    • 3. The active form of glycogen phosphorylase is phosphorylated, while the dephosphorylation of which active form occurs?

    • Options
    • A. Glycogen synthase
    • B. Glycogen semisynthase
    • C. Glycogen hydrolase
    • D. Glycogen dehydrogenase
    • Discuss
    • 4. Fructose-2,6-bisphosphate

    • Options
    • A. activates fructose-1,6-bisphosphatase
    • B. activates phosphofructokinase
    • C. inhibits fructose-1,6-bisphosphatase
    • D. both (b) and (c)
    • Discuss
    • 5. The amount of energy received from one ATP is

    • Options
    • A. 76 kcal
    • B. 7.3 kcal
    • C. 760 kcal
    • D. 1000 kcal
    • Discuss
    • 6. Why does the glycolytic pathway continue in the direction of glucose catabolism?

    • Options
    • A. There are essentially three irreversible reactions that act as the driving force for the pathway
    • B. High levels of ATP keep the pathway going in a forward direction
    • C. The enzymes of glycolysis only function in one direction
    • D. Glycolysis occurs in either direction
    • Discuss
    • 7. The glycolytic pathway (glucose ? 2 pyruvate) is found

    • Options
    • A. in all living organisms
    • B. primarily in animals excluding particles
    • C. only in eukaryotes
    • D. only in yeast
    • Discuss
    • 8. The enzymes of glycolysis in a eukaryotic cell are located in the

    • Options
    • A. intermembrane space
    • B. plasma membrane
    • C. cytosol
    • D. mitochondrial matrix
    • Discuss
    • 9. The oxidation of methanol (wood alcohol) in human retina tissue leads directly to the formation of

    • Options
    • A. formaldehyde
    • B. sugars
    • C. CO2
    • D. none of these
    • Discuss
    • 10. The oxidation of methanol (wood alcohol) in human retina tissue indirectly leads to

    • Options
    • A. pressure builds up
    • B. colour blindness
    • C. blindness
    • D. all of these
    • Discuss


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