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Home Microbiology Enzymes Regulation Comments

  • Question
  • Enzymes are


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

  • Correct Answer
  • organic compounds produced by living organism 


  • Enzymes Regulation problems


    Search Results


    • 1. 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
    • 2. Enzymes can

    • Options
    • A. not pass through semipermeable membrane
    • B. pass through semipermeable membrane
    • C. dissolve semipermeable membrane
    • D. none of these
    • Discuss
    • 3. Enzyme catalase has non-protein metal as

    • Options
    • A. magnesium
    • B. manganese
    • C. iron
    • D. zinc
    • Discuss
    • 4. 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
    • 5. 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
    • 6. The active form of enzyme is

    • Options
    • A. apoenzyme
    • B. coenzyme
    • C. holoenzyme
    • D. none of these
    • Discuss
    • 7. In aerobic respiration, the terminal electron acceptor is

    • Options
    • A. oxygen
    • B. nitrogen
    • C. hydrogen
    • D. nitrate
    • Discuss
    • 8. Which of the following(s) is/are the products of the light reactions of photosynthesis?

    • Options
    • A. ATP only
    • B. NADPH only
    • C. ATP and O2 only
    • D. ATP, NADPH, and O2
    • Discuss
    • 9. The catabolic reaction, pentose-phosphate exists in

    • Options
    • A. prokaryotic cells
    • B. eukaryotic cells
    • C. prokaryotic and eukaryotic cells both
    • D. none of these
    • Discuss
    • 10. In the passive diffusion, solute molecules cross the membrane as a result of

    • Options
    • A. concentration difference
    • B. pressure difference
    • C. ionic difference
    • D. all of these
    • Discuss


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