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- Question
Sometimes cell lines can be cultured for such a long time that they apparently develop the potential to be subcultured indefinitely in vitro. Such cells lines are called
Options- A. established cell lines
- B. primary cell lines
- C. secondary cell lines
- D. propagated cell lines
- Correct Answer
- established cell lines
- 1. What is meant by 'Organ culture'?
Options- A. Maintenance alive of a whole organ, after removal from the organism by partial immersion in a nutrient fluid
- B. Introduction of a new organ in an animal body with a view to create genetic mutation in the progenies of that animal
- C. Cultivation of organs in a laboratory through the synthesis of tissues
- D. The aspects of culture in community which are mainly dedicated by the need of a specified organ of the human body Discuss
- 2. Which of the following vector can maintain the largest fragment of foreign DNA?
Options- A. YAC
- B. Cosmid
- C. Plasmid
- D. Phage Discuss
- 3. Tonoplast is a membrane around
Options- A. cytoplasm
- B. vacuole
- C. nucleus
- D. mitochondria Discuss
- 4. The size of the genome of SV 40 is
Options- A. 7.2 kb
- B. 69 kb
- C. 5.2 kb
- D. 110 kb Discuss
- 5. DNA into fish is injected into
Options- A. pronuclei
- B. cytoplasm
- C. both (a) and (b)
- D. none of these Discuss
- 6. The dried malt is the source of
Options- A. amylase
- B. proteinases
- C. both (a) and (b)
- D. cellulase Discuss
- 7. Mitochondria can be expected most numerous in
Options- A. green cells
- B. red blood cells
- C. muscle cells
- D. none of these Discuss
- 8. Plants absorb nitrates from soil and convert them into
Options- A. urea
- B. ammonia
- C. nitrogen
- D. none of these Discuss
- 9. Lysosomes are associated with
Options- A. photosynthesis
- B. respiration
- C. storage
- D. digestion Discuss
- 10. The primary B cell receptor is
Options- A. IgD
- B. IgG
- C. IgA
- D. IgE Discuss
More questions
Correct Answer: Maintenance alive of a whole organ, after removal from the organism by partial immersion in a nutrient fluid
Correct Answer: YAC
Correct Answer: vacuole
Correct Answer: 5.2 kb
Correct Answer: cytoplasm
Correct Answer: both (a) and (b)
Correct Answer: muscle cells
Correct Answer: ammonia
Correct Answer: digestion
Correct Answer: IgD
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