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Home Microbiology Enzymes Regulation Comments

  • Question
  • Main function of an enzyme is to


  • Options
  • A. increase the activation energy
  • B. decrease the activation energy
  • C. maintain constant activation energy
  • D. none of these

  • Correct Answer
  • decrease the activation energy 


  • Enzymes Regulation problems


    Search Results


    • 1. Intracellular enzymes

    • Options
    • A. synthesize cellular material only
    • B. synthesize cellular material and perform catabolic reaction
    • C. synthesize cellular material and perform anabolic reaction
    • D. only provide energy to the cell
    • Discuss
    • 2. The inactive organic molecular portion of enzyme is

    • Options
    • A. apoenzyme
    • B. coenzyme
    • C. holoenzyme
    • D. none of these
    • Discuss
    • 3. Isozymes or iso enzymes are those enzyme which

    • Options
    • A. have same structural forms
    • B. have different structural forms but identical catalytic properties
    • C. catalyses oxidation reactions
    • D. none of these
    • Discuss
    • 4. Who coined the word enzyme first?

    • Options
    • A. Kuhne
    • B. Pasteur
    • C. Liebig
    • D. Buchner
    • Discuss
    • 5. The inactive protein from of enzyme is

    • Options
    • A. apoenzyme
    • B. enzyme
    • C. haloenzyme
    • D. cofactor
    • Discuss
    • 6. Organic molecules that increase the rate of metabolic reactions with themselves changing are known as

    • Options
    • A. coenzymes
    • B. enzymes
    • C. substrates
    • D. reactants
    • Discuss
    • 7. Enzyme catalase has non-protein metal as

    • Options
    • A. magnesium
    • B. manganese
    • C. iron
    • D. zinc
    • Discuss
    • 8. Enzymes can

    • Options
    • A. not pass through semipermeable membrane
    • B. pass through semipermeable membrane
    • C. dissolve semipermeable membrane
    • D. none of these
    • Discuss
    • 9. Allosteric enzymes are

    • Options
    • A. larger than simple enzyme
    • B. smaller than simple enzyme
    • C. larger and more complex than simple enzyme
    • D. smaller than simple enzyme but not complex
    • Discuss
    • 10. Enzymes are

    • Options
    • A. organic compounds produced by living organism
    • B. inorganic compounds
    • C. organic as well as inorganic compounds
    • D. all of these
    • Discuss


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