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Home Microbiology Enzymes Regulation Comments

  • Question
  • The inactive organic molecular portion of enzyme is


  • Options
  • A. apoenzyme
  • B. coenzyme
  • C. holoenzyme
  • D. none of these

  • Correct Answer
  • coenzyme 


  • Enzymes Regulation problems


    Search Results


    • 1. 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
    • 2. Who coined the word enzyme first?

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

    • Options
    • A. apoenzyme
    • B. enzyme
    • C. haloenzyme
    • D. cofactor
    • Discuss
    • 4. Many enzymes consists of a protein combined with low molecular weight organic molecule called as

    • Options
    • A. apoenzyme
    • B. co-enzyme
    • C. holoenzyme
    • D. co-factors
    • Discuss
    • 5. Protein portion of an enzyme when it is combined with organic molecule is termed as

    • Options
    • A. apoenzyme
    • B. co-enzyme
    • C. holoenzyme
    • D. co-factors
    • Discuss
    • 6. 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
    • 7. 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
    • Discuss
    • 8. 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
    • 9. Enzyme catalase has non-protein metal as

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

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


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