Animal Cell Culture and Regulation
Excess CO2 suppress cell growth and productivity by

inhibiting respiration
both (a) and (b)
altering intracellular pH by diffusing across cell membrane
altering pH of the medium

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Animal Cell Culture and Regulation
The major problem associated with the isolation of free cells and cell aggregates from organs is that of

None of these
disintegrating the cells from their supporting matrix
releasing the cells from their supporting matrix
inhibiting the cells from their supporting matrix

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Animal Cell Culture and Regulation
During the growth of animal cells in culture, it is noticed that the cells do not look very healthy. After an investigation, this is found that there is a lot of lactic acid in the culture fluid. What is probably wrong with this culture?

Ethyl alcohol is being produced in excess
The cells do not have enough oxygen
Glycolysis is being inhibited
The cells have too much oxygen

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