Q. Sometimes cell lines can be cultured for such a long time that they apparently develop the potential to be subcultured indefinitely in vitro. Such cells lines are called

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Q. Higher dissolved oxygen concentration in the culture media are toxic and lead to

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Q. Which of the following is the technique used for the embryo culture?

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Q. The major problem associated with the isolation of free cells and cell aggregates from organs is that of

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Q. For culturing, plasma from the adult chicken is preferred to mammalian plasma because

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Q. Toxicity due to accumulation of ammonia can be overcome

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Q. Range of osmolarity tolerated/accepted in mOsm/Kg of H2O by mammalian cells is

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Q. Disaggregating of cells can be achieved by

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Q. Accumulation of lactate leads to

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Q. When dissolved oxygen is lower than the critical concentration, viable cell concentration declines because of

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Q. According to Eagle, the growth of L-strain and Hela-strain cultures require to have mandatory presence of

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Q. Excess CO2 suppress cell growth and productivity by

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Q. Which of the following is incorrect?

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

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Q. What is the concentration of CO2 required for culturing animal cells?

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Q. Which of the following is correct?

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Q. Which of the followings are the metabolic products of glucose and glutamine?

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Q. To prevent the accumulation of lactate

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Q. What are the main constituents of culture for animal cell growth?

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Q. In animal cell culture, particularly mammalian cell culture, transformation means

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