logo

CuriousTab

CuriousTab

Discussion


Home Biochemical Engineering Downstream Processing See What Others Are Saying!
  • Question
  • Which of the following is not the physical method for the cells rupturing?


  • Options
  • A. Milling
  • B. Homogenization
  • C. Ultrasonication
  • D. Enzymatic digestion

  • Correct Answer
  • Enzymatic digestion 


  • More questions

    • 1. Sterilization can be carried out by

    • Options
    • A. heat
    • B. radiation
    • C. chemical agents
    • D. all of these
    • Discuss
    • 2. 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
    • 3. A Brookfield viscometer measures viscosity by determining

    • Options
    • A. the shear stress
    • B. the shear rate
    • C. the shear stress and shear rate
    • D. the torque required to move an impeller at a set speed
    • Discuss
    • 4. From the following sanitizers which one comes under category of surface active agents?

    • Options
    • A. Tetra phosphate
    • B. Teepol
    • C. Meta phosphate
    • D. None of these
    • Discuss
    • 5. Discoloration can be achieved by using

    • Options
    • A. sulphloydryl oxidase
    • B. proteases
    • C. anthocyanase
    • D. all of these
    • Discuss
    • 6. An internal draft tube is preferrred to an external draft tube because

    • Options
    • A. it is easier to clean and sterilize a reactor
    • B. it is cheaper to build a reactor with an internal draft tube
    • C. Both (a) and (b)
    • D. none of the above
    • Discuss
    • 7. The conformational change in an enzyme after the substrate is bound that allows the chemical reaction to proceed, can be explained by

    • Options
    • A. induced fit
    • B. transition
    • C. fit and fine
    • D. Pasteur
    • Discuss
    • 8. The most commonly employed cross-linked polymer is the

    • Options
    • A. polyacrylamide gel
    • B. collagen
    • C. celluloses
    • D. cation exchange resin
    • Discuss
    • 9. Fed batch reactors is used to produce vinegar because

    • Options
    • A. it can maintain low ethanol concentrations
    • B. it can maintain low acetic acid concentrations
    • C. acetic acid bacteria tend to ferment at high ethanol concentrations
    • D. all of the above
    • Discuss
    • 10. For glucose isomerization by immobilized enzyme, the reactor generally used is

    • Options
    • A. CSTR
    • B. plug flow
    • C. packed bed
    • D. fluidized bed
    • Discuss


    Comments

    There are no comments.

Enter a new Comment