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  • Question
  • Phosphate is considered to restrict the induction of


  • Options
  • A. primary metabolites
  • B. secondary metabolites
  • C. both (a) and (b)
  • D. none of these

  • Correct Answer
  • secondary metabolites 


  • Microbial Metabolism problems


    Search Results


    • 1. Free energy change (?G) of a reaction is referred as the amount of energy

    • Options
    • A. liberated during reaction
    • B. taken up during reaction
    • C. liberated or taken up during reaction
    • D. none of these
    • Discuss
    • 2. As the electron flow through the chains, much of their free energy is conserved in the form of ATP. This process is called

    • Options
    • A. oxidative phosphorylation
    • B. electromotive potential
    • C. dehydrogenations
    • D. none of these
    • Discuss
    • 3. Which of the following is responsible for phosphate solubilization?

    • Options
    • A. Streptococcus
    • B. Streptomyces
    • C. Bacillus
    • D. Clostridium
    • Discuss
    • 4. Which of the following statement is correct?

    • Options
    • A. Phosphate repression can not be eliminated by optimization of nutrient medium, deregulated medium must be used as production strains
    • B. Phosphate repression can be eliminated by optimization of nutrient medium, deregulated medium must be used as production strains
    • C. Phosphate repression can be eliminated by optimization of nutrient medium, regulated medium must be used as production strains
    • D. Phosphate repression can not be eliminated by optimization of nutrient medium, regulated medium must be used as production strains
    • Discuss
    • 5. If ?G of a chemical reaction has a negative value, the reaction

    • Options
    • A. releases energy
    • B. requires energy
    • C. both (a) and (b)
    • D. none of these
    • Discuss
    • 6. Which of the following groups contain(s) many unique coenzymes, such as coenzyme M and coenzyme F420?

    • Options
    • A. Sulfate-reducing bacteria
    • B. Methanotrophs (methane-oxidizing microbes)
    • C. Methanogens (methane-producing microbes)
    • D. Acetogens (acetigens; acetate-producing microbes)
    • Discuss
    • 7. Digestive reactions where large molecules are broken down into smaller ones are referred as

    • Options
    • A. anabolism
    • B. catabolism
    • C. metabolism
    • D. biosynthesis
    • Discuss
    • 8. The reaction, where small precursor molecules are assembled into larger organic molecules is referred as

    • Options
    • A. anabolism
    • B. catabolism
    • C. metabolism
    • D. any of these
    • Discuss
    • 9. The phosphate inhibition in the clavine formation with Claviceps SD58, can be counteracted by the addition of

    • Options
    • A. alanine
    • B. methionine
    • C. tryptophan
    • D. lysine
    • Discuss
    • 10. In establishing proton gradient for chemiosmotic ATP generation by aerobic respiration the terminal electron acceptor is

    • Options
    • A. nitrate
    • B. oxygen
    • C. sulfate
    • D. CO2
    • Discuss


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