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  • Question
  • The reciprocal equation for non competitive inhibition can be arranged to the equation for the


  • Options
  • A. Dixon plot
  • B. Woolf-Augusteinsson-Hofstee plot
  • C. Eadie-Scatchard plot
  • D. Hanes-Woolf plot

  • Correct Answer
  • Dixon plot 


  • Enzymes and Kinetics problems


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    • 1. In competitive inhibition a factor is obtained from the measurement of

    • Options
    • A. Vmax
    • B. KM
    • C. Y-intercept in Lineweaver-Burk Plot
    • D. None of these
    • Discuss
    • 2. An allosteric inhibitor of an enzyme usually

    • Options
    • A. participates in feedback regulation
    • B. denatures the enzyme
    • C. is a hydrophobic compound
    • D. causes the enzyme to work faster
    • Discuss
    • 3. The plot commonly used for determining the value of Vmax is

    • Options
    • A. Lineweaver Burk plot
    • B. Langmuir plot
    • C. Eadie Hofstee plot
    • D. all of these
    • Discuss
    • 4. Quasi steady state is also known as

    • Options
    • A. Michaelis Menten approach
    • B. Briggs-Haldane approach
    • C. Pseudo steady state
    • D. all of the above
    • Discuss
    • 5. A noncompetitive inhibitor of an enzyme-catalyzed reaction

    • Options
    • A. increases KM and increases Vmax
    • B. increases KM and reduces Vmax
    • C. reduces KM and increases Vmax
    • D. reduces KM and reduces Vmax
    • Discuss
    • 6. The relationship between Keq, Km and Vmax is known as

    • Options
    • A. Haldane equation
    • B. Michaelis Menten equation
    • C. Numerical solution approach
    • D. Gibbs-Helmholtz equation
    • Discuss
    • 7. The types of inhibition pattern based on Michaelis Menten equation are

    • Options
    • A. competitive
    • B. non-competitive
    • C. uncompetitive
    • D. all of the above
    • Discuss
    • 8. Which of the following activity is possible by transferases?

    • Options
    • A. Transfer of methyl groups
    • B. Transfer of glycosyl group
    • C. Both (a) and (b)
    • D. None of these
    • Discuss
    • 9. Which of the following common drugs is not a specific enzyme inhibitor?

    • Options
    • A. Iodine
    • B. Methotrexate
    • C. Sulfbnilamide
    • D. Penicillin
    • Discuss
    • 10. Which of the following statements is not true?

    • Options
    • A. Enzymes are proteins that bind to specific substrates and increase the velocity of reactions involving those substrates
    • B. Enzymes function by overcoming the activation energy barrier of a reaction
    • C. Enzymes make thermodynamically favorable reactions to proceed; they cannot make unfavorable reactions to occur
    • D. Enzymes only function when they are in intact cells
    • Discuss


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