ANIMAL CELL CULTURE AND REGULATION QUIZ

They act as growth inhibitors

Lactate helps in the growth while ammonium inhibits the growth

Have no effect on cells

They act as growth promoters

Lactate only

Lactate and ammonium

CO2 and NH3

CO2 and lactate

All of these

For monitoring pH of the culture

It participates in the de novo synthesis of purines and pyrimidines

Helps in the cells respiration

primary cell lines

propagated cell lines

secondary cell lines

established cell lines

1-2 mmol/litre

15 - 20 mmol/litre

2-7 mmol/litre

7-15 mmol/litre

anchorage independent

unstable

anchorage dependent

stable

all of these

Turner's syndrome

Down's syndrome

Klinefelter's syndrome

1-10%

10-15%

2-5%

15-20%

6 amino acids

10 amino acids

8 amino acids

12 amino acids

by substituting glutamine by glutamate

All of these

by removal of ammonia or ammonium from culture medium

by controlled addition of glutamine at low level