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Home Biotechnology Animal Cell Culture and Regulation Comments

  • Question
  • Higher dissolved oxygen concentration in the culture media are toxic and lead to


  • Options
  • A. DNA degradation
  • B. lipid peroxidation
  • C. metabolism of nutrients in culture media at a rate greater than that required for consumption
  • D. all of the above

  • Correct Answer
  • all of the above 


  • Animal Cell Culture and Regulation problems


    Search Results


    • 1. What is the effect of excess accumulation of metabolite products (lactate and ammonium) on cells?

    • Options
    • A. They act as growth promoters
    • B. They act as growth inhibitors
    • C. Have no effect on cells
    • D. Lactate helps in the growth while ammonium inhibits the growth
    • Discuss
    • 2. How does CO2 help in the cell metabolism during cell culture?

    • Options
    • A. It participates in the de novo synthesis of purines and pyrimidines
    • B. Helps in the cells respiration
    • C. For monitoring pH of the culture
    • D. All of the above
    • Discuss
    • 3. To prevent the accumulation of lactate

    • Options
    • A. low glutamine concentration is required
    • B. high glutamine concentration is required
    • C. low glucose concentration is required
    • D. high glucose concentration is required
    • Discuss
    • 4. Which of the following is the technique used for the embryo culture?

    • Options
    • A. Organ cultures on plasma clots
    • B. Organ cultures on agar
    • C. Whole embryo cultures
    • D. All of these
    • Discuss
    • 5. Accumulation of lactate leads to

    • Options
    • A. increase in pH
    • B. no change in pH
    • C. reduction in the pH of culture hence loss of cell viability
    • D. no loss of cell viability
    • Discuss
    • 6. pH of culture medium is initially controlled by

    • Options
    • A. presence of CO2
    • B. presence of bicarbonate buffer
    • C. addition of bases
    • D. none of these
    • Discuss
    • 7. Disaggregating of cells can be achieved by

    • Options
    • A. physical disruption
    • B. enzymatic digestion
    • C. treating with chelating agents
    • D. all of the above
    • Discuss
    • 8. Some types of variation are due to changes in the genetic material. What is this type of change called?

    • Options
    • A. Fertilisation
    • B. Mutation
    • C. Radiation
    • D. Sterilisation
    • Discuss
    • 9. Genetic change can occur only in

    • Options
    • A. one way
    • B. two ways
    • C. three ways
    • D. four ways
    • Discuss
    • 10. Animal pharming can be defined as

    • Options
    • A. growing animals for farming
    • B. programming animals to produce novel products
    • C. generating transgenic animals for farming
    • D. none of the above
    • Discuss


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