Animal Cell Culture and Regulation
When dissolved oxygen is lower than the critical concentration, viable cell concentration declines because of

both (a) and (b)
accumulation of ammonia
incomplete glutamine oxidation
increase in specific lactate production from glucose

ANSWER DOWNLOAD EXAMIANS APP

Animal Cell Culture and Regulation
An established cell line can be called where it has been subcultured at least

50 times at an interval of 3 days between subcultures
70 times at an interval of 3 days between subcultures
70 times at an interval of 1 day between subcultures
40 times at an interval of 3 days between subcultures

ANSWER DOWNLOAD EXAMIANS APP

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
Glycolysis is being inhibited
The cells have too much oxygen
The cells do not have enough oxygen

ANSWER DOWNLOAD EXAMIANS APP