Exercise: Animal Cell Culture And Regulation

Questions for: Animal Cell Culture And Regulation

To prevent the accumulation of lactate
A:
low glutamine concentration is required
B:
high glutamine concentration is required
C:
low glucose concentration is required
D:
high glucose concentration is required
Answer: C
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Which of the followings are the metabolic products of glucose and glutamine?
A:
CO2 and NH3
B:
CO2 and lactate
C:
Lactate and ammonium
D:
Lactate only
Answer: C
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What is the concentration of CO2 required for culturing animal cells?
A:
2-5%
B:
1-10%
C:
10-15%
D:
15-20%
Answer: B
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What is the effect of excess accumulation of metabolite products (lactate and ammonium) on cells?
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
Answer: D
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Excess CO2 suppress cell growth and productivity by
A:
inhibiting respiration
B:
altering intracellular pH by diffusing across cell membrane
C:
both (a) and (b)
D:
altering pH of the medium
Answer: C
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