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Biotechnology
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Vectors Uses for Animal Cell Culture
See What Others Are Saying!
Question
Cos cell line is
Options
A. cohesive end site of phage ?
B. derivative of permissive CV-1 monkey cell line
C. cohesive initial site of phage ?
D. derivative of non-permissive CV-1 monkey cell line
Correct Answer
derivative of permissive CV-1 monkey cell line
More questions
1. In animal cell culture, particularly mammalian cell culture, transformation means
Options
A. uptake of new genetic material
B. phenotypic modifications of cells in culture
C. both (a) and (b)
D. release of genetic information
Show Answer
Scratch Pad
Discuss
Correct Answer: phenotypic modifications of cells in culture
2. Multiple ovulation and embryo transfer (MOET)
Options
A. can increase the rate of progress in dairy cattle
B. allows progeny testing of males
C. allows progeny testing of females
D. all of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: all of the above
3. 5-fluoro orotic acid inhibits the growth if one of the following marker is present in the yeast. That is
Options
A. His 3
B. Lys 2
C. Ura 3
D. Trp 1
Show Answer
Scratch Pad
Discuss
Correct Answer: Ura 3
4. Which of the following statement is correct?
Options
A. Variation is caused by genes
B. Variation is caused by the environment
C. Variation can be caused by both genes and the environment
D. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Variation is caused by genes
5. How is air supply to the fermentor sterilized?
Options
A. By heat filtration
B. Filtration through fibrous material
C. Filtration through granular material
D. All of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: All of the above
6. A nuclear envelope forms around each set of sister chromatids in
Options
A. anaphase
B. metaphase
C. prophase
D. telophase
Show Answer
Scratch Pad
Discuss
Correct Answer: telophase
7. Which of the following is not true about synthetic seeds?
Options
A. Can be stored for a year without the loss of valuables
B. Easy to handle
C. Can be directly sown in the soil like natural seeds
D. Need hardening in the green house
Show Answer
Scratch Pad
Discuss
Correct Answer: Need hardening in the green house
8. To prevent the accumulation of lactate
Options
A. low glutamine concentration is required
B. high glutamine concentration is required
C. low glucose concentration is required
D. high glucose concentration is required
Show Answer
Scratch Pad
Discuss
Correct Answer: low glucose concentration is required
9. How does CO
2
help in the cell metabolism during cell culture?
Options
A. It participates in the de novo synthesis of purines and pyrimidines
B. Helps in the cells respiration
C. For monitoring pH of the culture
D. All of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: It participates in the de novo synthesis of purines and pyrimidines
10. What is the effect of excess accumulation of metabolite products (lactate and ammonium) on cells?
Options
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
Show Answer
Scratch Pad
Discuss
Correct Answer: Lactate helps in the growth while ammonium inhibits the growth
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