Biotechnology - Animal Cell Culture and Regulation

Exercise : Animal Cell Culture and Regulation - Section 1
  • Animal Cell Culture and Regulation - Section 1
6.
When dissolved oxygen is lower than the critical concentration, viable cell concentration declines because of
incomplete glutamine oxidation
increase in specific lactate production from glucose
both (a) and (b)
accumulation of ammonia
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
According to Eagle, the growth of L-strain and Hela-strain cultures require to have mandatory presence of
6 amino acids
8 amino acids
10 amino acids
12 amino acids
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Excess CO2 suppress cell growth and productivity by
inhibiting respiration
altering intracellular pH by diffusing across cell membrane
both (a) and (b)
altering pH of the medium
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
Which of the following is incorrect?
Established cell lines (ECL) have short doubling time
ECL are invariably aneuploid
ECL grow in higher density
ECL do not show much evidence of spatial orientation
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
What is the effect of excess accumulation of metabolite products (lactate and ammonium) on cells?
They act as growth promoters
They act as growth inhibitors
Have no effect on cells
Lactate helps in the growth while ammonium inhibits the growth
Answer: Option
Explanation:
No answer description is available. Let's discuss.